small sailboat compass

Best Sailing Racing Compasses

Last Updated by

Daniel Wade

June 7, 2023

‍ Key Takeaways

• A boat compass is ideal for any sailor out on the water in the event that you become lost
• Calibrating a compass is not difficult but you should consult with the manual beforehand
• A boat compass can damage over time so be sure to check reviews for good ones
• Some sailing compass brands come with brackets while others have various options
• It is important to understand how it works before attempting to purchase one

‍ A sailing racing compass is an important tool in sail races and on the water in general. But what are the best sailing racing compasses?

The best sailing compasses for racing would be TurnOnSport, Plastimo, Ritchie Navigator, and Detuck. Sailing compasses vary in mounted types or handhelds. You can find a perfect compass for racing since there are plenty of options to consider.

Base on my previous experience a lot of marine compasses vary in style and their intended use so each brand will cater to a certain sailor. Depending on the type of boat and racing you are conducting then the type of boat compass will likely differ.

Table of contents

‍ 10 Best Sailing Compasses for Racing

Sailors need a trustworthy boat compass for a variety of reasons but especially in racing. There are many different types of sailing compasses that could work for you based on your budget and desired sailing goals.

TurnOnSport Boat Compass

If you have never used a boat compass before you will be pleased with the quality of TurnOnSport’s boat compass. It can stick or be mounted virtually anywhere but is ideally meant for marine use. It is corrosion resistant and it comes with a shield to block out sunlight.

• 12V power supply to light up
• Magnetic and easy to install
• Might not be sticky enough to stay in place
• Needs a flat surface when trying to stick

Plastimo Contest 130

Plastimo offers an easy to read boat compass that can be seen from just about any angle. You do not have to worry about it getting beat up since the dome is scratch resistant and is also UV protected. It is ideal for boats over 30 feet but can still accommodate smaller ones.

• Scratch resistant
• Easy to read with a crystal clear display
• Can fit to bulkheads
• Might be difficult to find at times
• Higher price point

Ritchie Navigator BN 202

Ritchie Navigator makes an excellent compass like the BN 202 for example. It is proven to withstand a variety of sailing conditions and is arguably one of the best designs among sailing compasses. It is also equipped with an inclinometer to help with steering and windward.

• Comes with night light so that you can travel long distances overnight
• Inclinometer to help with steering
• Five year warranty
• Might be an expensive compared to other brands
• Slightly larger than other compasses

Boat Compass by Detuck

Detuck enters the boat compass game with a cost-effective alternative to other major boat brands. At just under $20 you can have a good quality tactical compass without having to break the bank. It also arrives with a magnetic declination capability so that you can improve the compass accuracy over time.

• Has magnetic declination to be more accurate
• Comes with a money back guarantee
• Backlight enables you to see in multiple lighting conditions
• Cannot be left in the sun for too long
• Plastic might not hold up in rough conditions

Lewmar has a few options for racers trying to find a top quality compass in their boat. Their 135 model comes with a hood that helps protect it from sunlight. It also has a sapphire jewel pivot to allow you to read it from any angle clearly.

• Two different options to mount it
• Ideal for larger sailboats that use 24 volts
• Easy to read compass card
• Might take a while to get it

COSTIN Compass

Costin is one of the best marine compasses out there for the price point. This is a great tactical compass that can also be used in marine conditions which is perfect for sail racing. It is easy to carry and store when not in use.

• Rugged and sturdy even if dropped
• Less than $16
• Comes with pouch for easy carrying
• Might not be the most accurate
• Instructions can be difficult to understand

100BC Compass by Silva

Silva might have the sleekest and smooth design for a sailboat compass. It can be mounted in a variety of positions and read from nearly any angle. It also has illumination capabilities so that you can see it in dark environments.

• Multiple mounting options
• Has protected cover
• Easy to read no matter the angle
• Price might be a little high for some
• No angle for heeling

Clipper Compass

The Clipper compass system is an electric tool that helps with direction. It has seven different levels of lighting so that you can see in all light conditions. It also has an alarm that will go off if you stray off your preset course.

• Various lighting options to read in any condition
• Easy to read
• Alarm to help you stay on course
• Need to keep on battery supply
• Cannot see it in some angles

Odowalker Marine Compass

Odowalker is another entry level compass that you can use for a variety of applications. It comes with an incandescent light to help you see in dark conditions and is easy to read. It is also made out of ABS material and can withstand some shock.

• Adjustable to see from various angles
• Multiple uses outside of sail racing
• Need power supply in order to use backlight feature
• Might need to adjust accuracy when it arrives

Autonautic Deck Mount Compass

The Autonautic CHE-0074 model provides accurate directions on larger boats. It is designed to allow more graduations so that you can see the numbers better. It is also one of the more durable and reliable boat compasses.

• Fairly expensive but has five year warranty
• Has graduation markings to see better
• Best for a steel boat
• Fairly expensive
• Meant for a larger boat

What to Look for in a Sailing Compass

There are various factors you should take into consideration when attempting to buy a sailing compass. You would likely want to read user reviews and potentially test one out yourself to get a feel for what you need.

In addition you should also narrow down your sailing goals to determine what is going to work best for your situation. Buying a sailing compass simply because you think it looks cool is not going to help your situation out on the water.

Size of the Compass

In my experience you should aim for a sailing compass that has a large diameter. It needs to be able to fit properly onto your dashboard at the helm so that you have and easier time reading it.

If it is large enough you can read the numbers easier when the boat is in rough conditions. It does not necessarily have to have a backlight but that would help especially at night.

Various Mounting Options

Depending on the type of boat and the sailing compass you choose it might have different options for mounting it. Various mounting options exist for those that want to mount it a certain way.

Space on the Dashboard

This installation is simply on the dash of your boat if applicable. You will need to cut out and fit a section of the dash in order to keep it secure and it makes it permanent.

Flat Surface Areas

Installing on the surface is likely the easiest and quickest since you can simply place it and be done. A surface mount can either be flat somewhere at the helm or horizontally at the best spot. This also prevents you from having to cut out a section of the dash.

Using Brackets

If your sailing compass comes with brackets this will allow you to place anywhere you desire with some installation required. A bracket mount will typically allow you to move the compass slightly to get a better read and is ideal for placing in vertical spots.

Mounting it Flush

A flush mount installation is where you cut a hole in your dash and expose just enough of the compass to read it. Some sailing compasses are more attractive looking when you install it this way but it does take a little more time than standard surface installations.

Binnacle Mounting

Choosing a binnacle mount is another option that is referred to as a “little house” for the compass. This helps keep it out of the elements or sunlight and are typically larger.

A majority of the sailing compasses you see on the market have a backlight and it is a handy feature if you are in lower light conditions. You will likely need to have it close to a power supply for a lot of these but some come equipped with a slight illumination already to make it easier to read.

Various Types of Dials

There are a few dial options to consider when selecting your sailing compass. Each one could appeal to you based on the way you prefer to read it.

Direct Dial for Upright View

A direct dial has the lubber line in an aft position and are best suited for helms that are closer to eye level when sailing. It is recommended that you have plenty of experience reading this type of dial since it requires some knowledge beforehand.

Dial with Flat Card

A flat card dial has to be read while you are standing or sitting in a seat above the helm since it features a horizontal face. The lubber line is forward so you would need to have the right angle when looking at it.

Hybrid dials are likely what you are thinking which is a mix between direct and flat. These allow you to read the compass from nearly any direction. These are best if you are needing to see the direction from any part of the boat and if you are newer to reading a compass.

Your Knowledge

If you have never used a compass before it will likely take a slight learning curve to get used to it. Consider purchasing one that you can either read from any direction or has simple but precise markers in order to get an accurate reading. Sailors that have plenty of experience might be able to read any compass no matter the quality.

How Does a Sailing Compass Work?

A compass is an essential tool for your boat to help guide you safely during any event at sea. This is especially important because if your power fails on your boat you can use your compass to help navigate back to safety.

How it Operates

Beneath the compass card is a tiny magnet that keeps north and south in line with the help of the Earth’s magnetic field. The compass is encapsulated with a fluid to help keep it stable upon moving on the boat. These are typically an analogue compass but some digital ones do exist usually as a handheld version.

Deviation Process

Deviation is a term used to describe when a compass is thrown off of its accurate reading due to other magnetic influences or too much metal interfering with it. You will need to read the manual or check with a qualified professional to help get it back in check.

Various Styles

Your boat will likely need a specific compass to make it worth the investment. As mentioned a binnacle compass is best for when the view is above and it is likely mounted on the wheel.

Smaller boats that utilize tiller steering are best suited with bulkhead mount that are located at the front of the cockpit. These also generally help with determining the angle of the heel the boat is experiencing.

In other words you should conduct the proper amount of research to best fit your needs. Your budget and boat type will play a crucial role in determining the best one. Your sailing experience can also make an impact on the buying process to help find the best tactical scale on the water.

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I've personally had thousands of questions about sailing and sailboats over the years. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing.

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A Better Electronic Compass

• By Dave Powlison
• June 20, 2023

We first looked at Velocitek’s Prism compass in 2019 and found a lot to like: big, easy-to-read numbers, cut-acrylic lenses that allow the numbers to be easily seen in any daylight situation and not get wonky when viewed through polarized lenses, and at just under five ounces, probably the lightest small-boat compass out there.  So, when we learned a new version was in the wings, we had to see what could possibly have been improved.  

In appearance, the New Prism is identical to the original except for one detail—a USB port on the back, sealed with a half-inch diameter plug that can be screwed in or out with a coin. Out of juice after a long day on the water?  Plug it into your computer or a wall brick, and in about six hours you can go from zero to full charge. Most times, you don’t even need to be at 100 pecent since a full charge will last more than 48 hours, so you probably won’t even need six hours of charging. No more setting the compass out in the sun for hours after racing, hoping the clouds don’t roll in before it’s recharged. 

“The USB is more of a sure thing,” says Velocitek’s Charles Swanson. “Cloudy days don’t affect it, and it doesn’t matter if the compass is tucked up in the shade under the boom.”  With this setup, the solar panel is now just a battery-extending backup.  

The other big difference is inside. The New Prism now houses the same, patented, solid-state geomagnetic sensor found in Velocitek’s top-of-the-line ProStart instrument. Two big advantages of this upgrade, says Swanson. “This magneto-inductive sensor is not influenced by temperature changes and is inherently free from offset drift. This means that the factory calibration remains valid indefinitely and in all conditions. ”

More importantly, the new sensor, combined with the more powerful charging supplied by the USB connection, allows a dramatically improved refresh rate—the number of times the screen is updated—going from the earlier Prism’s once a second to four times a second. Want to see it in action? Go through a tack and watch the numbers change. Undetectable lag time.  

Ease of use?  One button positioned on top of the compass does everything. That should put a big smile on the faces of those who have struggled with multi-button processes on various other electronic devices. Press the button and the left screen says “BAT” and displays the battery level on the right screen. Shortly after, it automatically switches to compass mode. And that’s all there is to it, unless you want to set the damping mode, done by briefly pressing the button again.  Toggle through one of three damping levels by tilting the compass. This was the trickiest part of the compass to use, as you have to press the button again at the exact moment the desired damping level appears. Miss that moment and you’re probably onto another damping level. Not a big deal though, as this is something few would often adjust. Turn off the power by holding the button down for about three seconds. Easy-peasy.

For some, the one hesitation about the New Prism is the lack of a timer. The folks at Velocitek don’t apologize for that. After all, their goal was to create a straightforward, easy-to-operate, top-level compass—nothing more. Perfection embodied. And that’s just fine with a lot of sailors. For instance, in some classes, it’s impractical to have a timer and compass in one unit, such as Nacra catamarans, which mount the compass on the bowsprit, or 49ers, which carry the compass forward of the mast. That’s a pretty inconvenient reach to change modes. Others gravitate to a single-use instrument because of a reluctance to be without compass readings in the starting sequence. Yes, you can toggle between modes, but how many of us have found ourselves locked out of one mode or the other at that critical time, often because we accidentally pressed the wrong button or we held it down too long?  

This compass doesn’t meet the needs of everyone, but if you’re looking for a fail-safe instrument that will give you quick and precise readings as well as eliminate concerns about staying charged, it’s definitely worth considering. $579.

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How to Use a Boat Compass (Complete beginners guide)

Every boat should have a compass and a sailor that knows how to use it. It isn't difficult to use one - it's just so easy to make mistakes if you've never learned to use them. In this post I learn you how.

How to use a boat compass? The lubber line (a small line on the compass) marks your direction on the compass card. The direction is given in degrees. You pick a course on a marine chart. Then, you steer the boat so that the lubber line points to the correct degree on the compass card. You keep course by making sure the lubber line stays put.

Using a compass is easy enough. The hard part is making sure it's properly calibrated, and this is where many people go wrong.

On this page:

How to use a boat compass, types of compasses, how does a compass work, difference between gps and compass, how to swing a compass, quick mounting tips, related questions.

To use a boat compass, you need the following:

• a compass (of course)
• a maritime chart
• make sure the compass is properly calibrated and adjusted

Each compass has a line on its glass. This is called the lubber line. The lubber line is used to mark your direction on the compass card. The compass card is the rotating card that says North, South, and so on.

You pick a course using a marine chart. You start by determining your starting position (the easiest is taking your marina - typically it will be on the map). Then, pick your destination. You can determine the course by drawing a line between these two points and reading the angle (degrees).

Learn to Plot a Course Step By Step To learn how to plot a course on a chart step-by-step, read our full illustrated guide here .

Time to get moving. You set course by steering the boat to the direction where the lubber line on the compass matches the degree you chose exactly. You keep course by making sure your lubber line stays put.

Generally, you can simply use the above method, but it can prove inaccurate with longer journeys due to drift and tidal currents. Calculating and planning your course to steer (CTS) is a different subject and outside the scope of this article.

Why it's important to have one

A well-compensated compass gets you home, period. It's the most important and reliable navigational instrument around. The only place it's useless is near the magnetic poles, but who goes there for their sailing trip ( - dare)? It doesn't require any power, it doesn't rely on electronics or satellite. And sadly, it's as underutilized as it is useful.

If you carry a compass and a paper chart, you're practically unbeatable.

I would much prefer a compass over any electrical system. Chartplotters are great, but they won't beat a compass in the reliability game. I feel much more secure navigating any waters using a compass than all the chartplotters in the world.

If your boat doesn't have a compass, get one asap. I really mean this. There will come a day you really wish you had one. There fairly inexpensive, so in my opinion it's better to skip the new sonar-fishfinder-thing and get a reliable compass. They last you a lifetime and will serve you well.

You don't have to go overboard when buying a good, reliable compass. It's pretty affordable. If you want to know what I use, read my article here . It's so good, I even have one in my car.

Calibration / alignment

If the compass isn't properly calibrated it can cause trouble. I'll get into the reasons for misalignment below. The easiest way to check for misalignment is by paying attention when you enter or leave your marina. Most marine charts show the exact course for entering harbors and marinas. Align yourself with the buoys and check whether your compass matches.

How to make sure you always get home safely

When setting sail, always remember the opposite direction of your course. This is the reciprocal course. It's the magic number that will get you home, no matter what.

More high-end compasses will have a lubber line at the back as well. This helps you to read the direction reciprocal course. If you don't have a fancy double lubber line, simply add 180 degrees to your course. I make sure to remember it every time I set course. If my chartplotter fails, I'll get home without problems.

I recommend having a backup compass in your captain's bag as well.

There are many types of compasses, but the main ones you use on a boat are magnetic and GPS.

• magnetic compass - use a moving card or moving needle to determine Magnetic North
• GPS compass - these use multiple satellites that pinpoint location; they determine True North
• fluxgate compass - no moving parts; uses coils of wire and uses electricity to amplify the directional signal

In addition I recommend to have a hand bearing compass. This is a good backup and can be especially useful for coastal navigation.

The most common type of compass is magnetic. It points to magnetic north. It does this by small magnets which are attached to the compass card. The compass card has a degree-scale which sits on a small bearing. This allows the card to rotate freely as you change direction - it's kept in liquid air to allow free movement. You can read your direction using the needle or lubber line. The best type of compass for boats is a magnetic compass with a curved card and lubber line.

So, simple enough, right? Not really. When we say a compass points north, it gets more complicated than you might imagine. There are three different norths: (1) Magnetic North, (2) True North, and (3) Grid North.

Grid North is north as indicated by the central vertical grid line on a map (the line running east of the UK). True North is the end of Earth's axis. The difference between true and grid north is very small and can be ignored for navigational purposes.

Magnetic North is where all magnetic compasses point to. The magnetic north pole shifts over time (less than 6 meters per year on the surface), called the 'Chandler wobble', under influence of the dynamo currents of the Earth's core. If you want to learn more on how this works, you can find more information on Scientific America here .

Checking the alignment when leaving the marina

A compass can be misaligned. Luckily, there's a simple way to find out. You can find the directional line for the entry of all major marinas on a marine map. It always tells you the exact direction. This gives you a great opportunity to check the alignment of your compass every time you leave and enter your marina.

Once you're aligned with the buoys, you can compare the direction your lubber line indicates to the direction you know you're sailing. Adjust accordingly.

Other ways to check your compasses alignment are:

• compare to reliable, accurate compass
• compare to GPS (though this can be trouble)
• find a large object that aligns to north and set course to that object

Why can't we just use GPS?

However unlikely, in theory GPS can fail in many ways. On the satellite side of the operation, the most common reason for failure in open waters are atmospheric conditions (aka the weather). More uncommon causes for failure are solar storms, radio interference, temporary gaps in coverage due to maneuvers and satellite maintenance (yes, the government does need to attend to these bad boys).

In my opinion, a major reliability issue is the energy dependency of GPS devices: if you run out of power, you have no means of navigating.

A compass tells you direction, not just track

The compass is the only instrument that tells you which direction your vessel is pointing. Sure enough, GPS will tell you in what direction you're headed, but only when you're in motion. It by no means tells you what direction you're pointing in right now. And this is important because the current or wind will influence your course over ground, which will differ from your steering direction.

In short, if you're serious about navigation, and want to plan, for example, your course to steer, you need to know how to use a compass.

Using it with your navigation system

Navigating on a compass is way easier than sailing on your chartplotter. You just pick a course and stick to it. That's why I prefer to sail on compass. Whenever I get in proximity of my destination I switch to my navigation system. This ensures a way more relaxed trip. I also like to not become overly dependent of my GPS.

Nowadays, you can get a reliable, easy-to-use chartplotter , made by a reputable brand, with all the functionalities of an advanced marine GPS, at a fraction of the price. Click here to read my recommendation .

Detecting and correcting Cross Current

A cool trick when using the compass and GPS combined is detecting a cross current. You do this by comparing your true compass course to the course over ground (COG - GPS). You can find out the speed and direction of the current, and adjust your course to steer accordingly.

A 6° course correction in the direction from which the current flows is required per 10% of cross-current velocity relative to the ship's velocity.

If you're sailing at 10 knots, you correct 6° for every 1 knot of cross current.

Taken from the Lo-Tech Navigator by Tony Crowley

Calibrating a compass - also called swinging - literally means you adjust the compass' deviation using tiny magnets. Compass adjusting is a complex process that requires a lot of skill and experience. That's why there are professional compass swingers. I advise you get one of them to do the swinging, since you don't want to mess up your compass. But we can still have a look at how it's done.

Compass deviation is caused by materials and equipment used in and on the vessel. For example, a compass that's slightly left of the boat's centerline may have a slight deviation to the right. The hull mass can affect the compass. If it's mounted near electronic equipment, that will affect the deviation quite a bit, since electronics produce a magnetic field.

Compass deviation is the difference between Magnetic North and the direction in which you're pointing. The deviation is measured in degrees east (+) or west (-).

A compass swinger always starts out by creating a compass deviation card . He or she does this by taking the boat out for a spin, and comparing each directional line to a very reliable compass. Then, he writes down each deviation. You can create your own deviation card, and this is even recommended. A deviation card remembers you to correct the course for your particular compass.

You can download a printable compass deviation card here - 100% free .

If you're not planning on swinging the compass, at least fill in the deviation card, laminate it, and hang it besides your steering wheel.

The next step in swinging is the most difficult. The swinger will use very small magnets and place them around the compass in a way that the deviation is reduced to a minimum. You can do this yourself, but it requires a lot of patience. I like to outsource these kinds of frustrating jobs.

You can let somebody swing your compass for roughly $400.

However, if you want to do this yourself, please consider the following tips:

• Make sure the water is smooth - no strong drift
• You could try to do it in a narrow river with a strong current - if you want to go mad
• You need a buoy that has fixed bearings to at least 3 landmarks
• You need a 'master rose' - a quality compass
• You need a friend in a dinghy
• Tie up your boat at the buoy and tie the dinghy to the stern
• Use the dinghy's engine to point to each of the landmarks and compare the master compass reading with yours
• Notate the deviation for each 30 - 45 degree increment.
• Recheck after compensation

I hope to do a full article on how to swing a compass in the future.

Since a compass is magnetic, any metals in the vicinity will interfere with it. This is called magnetic deviation. Picking a good spot for mounting is crucial to ensure accuracy. A couple of quick tips to keep in mind when mounting yours:

• keep it away from metals (they will swing the compass) ...
• ... but also from electrical systems (they have a magnetic field as well)
• mount as close to the centre line of your boat as possible (this ensures the magnetic deviations are mostly symmetrical)
• make sure it's accessible for adjustment
• it should be easily readable from the helm, while at the same time allowing you to keep an eye out for meeting vessels
• use bronze or stainless steel screws, washers, and brackets for mounting - don't use magnetic materials

There are three mounting styles for boats: bracket mounted (these are easy to install anywhere yourself), flush mounted (these are recessed into your dashboard or instrument panel), and overhead mounted (these hang from the ceiling at eye level).

Bracket mounted compasses are easiest to install. Flush-mounted compasses take a bit more effort, but look really good. A con is that they may be less accessible when you need to adjust them. Overhead mounted compasses have the advantage that they're easy to read because they're at eye level, and any air bubbles won't be as much of a problem. They are also away from most electrical equipment, which reduces magnetic interference. However, they can obviously only be mounted on larger boats with a steering hut.

Does a boat need a compass? Every boat needs a magnetic compass. It is still the most reliable means of navigation. It is also the most convenient for long-distance navigation. GPS and chartplotting navigation are becoming the norm for premium yachts, but these systems can fail. A compass is a great backup to have in case of technical failure.

What does it cost to swing a compass? It costs anywhere between $400 - 600 to swing a compass. This includes creating or checking the deviation card, placing the magnets to reduce the deviation, and doing a final check to make sure the compass is calibrated properly.

What is a compass deviation swing? A compass deviation swing a method to calibrate a compass, using small magnets to offset the deviation of the compass. Compass deviation is the difference between Magnetic North and the direction the compass is pointing in. Deviation is caused by electromagnetic fields around the compass.

Got to find ur site, really helpful with details from experience. Trying to get a sailing boat to across pacific, am in south korea, and realized very hard job to locate my boat.

Maybe new bot since I and my wife hate dirty ot damaged boat after all and also requires on site checkups to find right one. So maybe new boat, like 2017-18build never owned or used. How’s that??

Ant comments/help will be highly appreciated.

Shawn Buckles

Hi Young Kanf,

If you have the budget to buy a brand new boat, that’s great. But there are actually very good second-hand sailboats available. It’s really up to you and a matter of personal preference.

I’m very happy that you find the website helpful. Sailing the Great Pacific is said to be one of the most fulfilling and life-changing sailing trips there are, so all the best to you!

Hey Sean. Interesting articles! Plan to retire on a boat. Got anything on chart plotting? Greg.

Why not use an online compass like this: https://freecompass.online/ Such compasses do not require an Internet connection, and in any case you will have a power bank with you)

juliahakimi

but for sure https://onlinecompass.net is the best online compass of web

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Abdul Wahab

you need to try the best online compass tool https://onlinecompass.live/ . It is fast, secure, relible and easy to use. It has critical advantage over other compasses because it once use your exact location and then gives you accurate readings. You can also use it offline once you save it.

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The Best Marine Compasses

Written by Anthony Roberts / Fact checked by Jonathan Larson

Getting lost while you are out sailing is such a horrifying experience that should never happen to anyone. Thankfully, you can always carry a marine compass with you. But, navigating can be a tough challenge, and with that, you’ll need to carry a dependable device.

Ahead, we list down the best marine compass brands that could be your lifesaver out at sea. It is a nice idea to have this tool as it can make a huge difference. So, browse through the list and find the best one that works well for you. After all, it won’t hurt to have good company to help you.

TurnOnSport Boat Compass

Jump to Review

Ritchie Surface Mount

Odowalker Digital Compass

Table of Contents

1. TurnOnSport Boat Compass

2. ritchie navigation compass surface mount, 3. odowalker marine digital compass, 4. detuck dashboard boat compass, 5. ritchie navigation f-50 explorer compass, 6. sun company mountable kayak compass, 7. costin multifunctional metal military compass, 8. shoreline illuminated marine compass, 9. keenso high precision boat compass, 10. yosoo health gear boat navigation compass, 11. geloo boat navigation compass, 12. brunton dash mount compass, buyer’s guide, do marine compasses come with mounting brackets, how to adjust my marine compass, how do you make sure the compass is running true to its lines, top 12 marine compass reviews.

Marine navigation has never been more accurate with TurnOnSport Boat Compass. Accuracy has always been one of the most critical issues with marine compasses, but TurnOnSport’s compensators easily settle this concern.

One of the highlights of TurnOnSport is its East-West and North-South compensators that minimize external influences on the marine compass. This leads to a more precise direction, making it one of the most reliable and in-demand compass brands in the market today.

The compensators aren’t my only favorite thing about TurnOnSport. I also like that it’s dependable day in and day out. At night, its incandescent light makes the device visible and readable. There is nothing to worry about when the dark sets in.

And if you’re concerned about the rugged marine conditions, this brand is definitely up for the tough times. The compass’s made from ABS plastic, which is waterproof and corrosion-resistant.

Despite its hefty size, the device remains lightweight. Installing it yourself will be a breeze. The compass comes with two EVA stickers and two screws, so mounting is never a challenge. Just look for the sweet spot, stick it up or screw it and you’re done.

You also do not have to worry about exposing the compass to too much sunlight as it has a movable cover for shade. Whether it’s a big boat or a kayak, TurnOnSport is your dependable marine compass.

• Reliable East-West, North-South compensators for accurate direction.
• With incandescent lights for nighttime viewing.
• Lightweight, waterproof and corrosion-resistant.
• Easy setup using freebie stickers or screws.
• Has sun cover to avoid too much sun exposure.
• Can be used in various marine boat types.
• Size may be a bit bulky.

Reliable utility and superior accuracy are what Ritchie Navigation Explorer Compasses are known for. With over a century of experience in the marine industry, Ritchie Navigation products remain top producers of navigational compasses for commercial and recreational boats. So, what’s up with their Explorer compasses? Find out in this review.

One of my pet peeves with compasses is how unreliable they can be. But this 2.75″ surface mount compass has what it takes to be considered a trustworthy product. I love that the makers reinforced the device with a triple cup sapphire jewel and a toughened steel pivot where every micrometer matches to a tee.

As a result, the device operates quite smoothly and locks on rather quickly even when subjected to extremes.

To be more specific about it, this device sports High Gauss Magnets customized for different compass specifications. These magnets seek and lock to magnetic north, so you know you are always right on track.

Another must-have utility for any boat compass is compensators. You can tick that box off as this compass has those. It has solid, built-in, non-interactive magnets that act as compensators for correction and accuracy. Moreover, you will get to enjoy its nighttime internal green illumination using a 12V power light.

• Accuracy guaranteed with its triple cup sapphire and robust steel pivot.
• Uses High Gauss Magnets that point to magnetic north.
• Its solid compensators reliably correct deviations.
• Green light illumination for nighttime navigation.
• Adjustment rod may rattle over long-term use.

Tired of an unreliable compass? Odowalker Electronic Marine Digital Compass is one of the few top-of-the-line brands that hold on to promised accuracy and aesthetics. It is highly functional and straightforward, giving you spot-on directions without a lot of fuss.

If you’re a sailing enthusiast as I am, then you’ll definitely find this device to be quite a dependable buddy at sea. The device is sturdy and is made for tough times using high-quality ABS material.

Nighttime sailing can also be extra challenging for sailors, as poor lighting impairs much-needed visibility onboard. So I like that Odowalker had its compass built with an incandescent bulb light to illuminate the compass. This makes the device readable even at night.

Another thing I like about Odo Walker is how easily you can adjust the declination sheet. Thanks to its adjustable brackets, managing the compass’s position relative to the viewer’s angle can be done swiftly. I did not have to stay in one spot to get a good view of the compass.

Moreover, this compass is not just for marine use. It’s also best suited for cars, trucks, and other land-based automobiles. Odo Walker is truly one of the most flexible compass devices you can get out there. The device is available in black and white colors with a neat-looking design.

• Sturdy and reliable, made from high-quality ABS.
• Nighttime illumination using built-in incandescent bulb light.
• Manage compass’s position easily using its adjustable declination sheet.
• Flexible device; can be used on land-based automobiles.
• Neat design coming in black and white color options.
• Lacking instructional guide.

The right marine compass for me comes from the reliable company DETUCK. I love this dash mount marine compass because I can use it night and day thanks to its night lighting feature and red indicator line.

The magnetic declination easily identifies both east-west and north-south directions, so I never get lost in the middle of the ocean as it improves the compass’s accuracy. I have come across several compasses that come with this feature, but not all of them are as easy to adjust as this one.

For a light traveler like me, I always choose to bring lightweight objects. I am glad that this compact compass only weighs 2.7 ounces. It is light on both my hands and in my pocket. Plus, it is also easy to mount as it comes with double-sided tape and screws that you attach to the dashboard.

• Ideal for both night and day usage with its lighting feature and indicator line.
• Comes with magnetic declination that accurately locates direction.
• The magnetic declination is easy to adjust.
• A lightweight and compact compass.
• Easy to mount due to the double-sided tape and screws.
• Needs frequent configuration of the compass’s horizontal level.

If you are looking for compasses for boats, then you have come to the right place. Few things beat the Ritchie Nautical Compass, among other sailing compasses. This device is easy to read thanks to its direct reading dial. Plus, your night trips will become a breeze with its built-in green lighting.

The Ritchie compass is made with Sapphire jewel and toughened steel pivot. Besides that, it boosts sturdiness with high-temperature composite. You do not want to miss its classic finish and design, either! When I bought it, I immediately knew that this one oozes exquisite quality just by looking at it.

One feature that I like about this compass is the impressive directive force magnets because not all sail boat compasses are blessed with this feature. It gives me a quick heading lock-on so I can have a more precise direction anywhere I go. You know you are in good hands with RITCHIE because they offer a 5-year warranty on all items.

• This flush mount boat compass is easy to read with its direct reading dial.
• The built-in green lighting makes your night trips easier.
• Composite, sapphire jewel, and hardened pivot for optimum durability.
• Classic finish and design.
• Directive force magnets make for a quick heading lock-on.
• The brand offers a 5-year warranty.
• Requires a little calibration to operate smoothly.

If you opt for easy installation, then this compass is for you. The SeaTurtl surface mount marine compass features four modifiable elastic cords that secure the item in place, whether on a kayak or a paddleboard. This feature ensures a snug mount anywhere you attach it.

A busy sailor like me wants a compass that is quick and easy to read. I am grateful that I found this compass. Upon purchase, SeaTurtl served as an easy-to-read marine compass that perfectly fits on my standard-sized deck.

The hood’s adjustable feature gives protection to my favorite compass, especially when not in use. It also prevents glare when I use it on the sea. This is one of my ideal features since I hate the blinding glare which may cause accidents. It is a dangerous thing that we tend to overlook.

• Features four modifiable cords that secure the compass in place.
• The SeaTurtl Mountable Kayak Compass is quick and easy to read.
• The adjustable hood protects the overall product and also prevents glare.
• All compass features stay true even after years.
• Not suitable for peaked decks.

This is one of the most reliable marine compass company in the market. COSTIN is famous for its durable products that can last for a lifetime. Their waterproof compasses, which are usually IP54-rated, are also coated in high-strength engineering metal, ensuring durability and sturdiness that others cannot top.

Whether your cruiser is dead on the sea or moving sluggishly against an outbound tide, this compass gives good heading. It is a reliable boat compass that stays functional and accurate no matter the circumstances.

You do not have to worry when you get stuck in the dark, too. This high-quality marine compass comes with a fluorescent design that lights up the right direction for you. It comes with a glowing magnetic arrow and compass card. Plus, it illuminates the dial, too, so you can read the data without worries, even in a dark environment.

• It is a waterproof compass with a water-resistance rating of IP 54.
• Coated in high-strength engineering material for optimum durability.
• Stays functional and accurate even when your boat is dead on the sea.
• Comes with a fluorescent design that illuminates in dark areas for you.
• This product resists shocks aside from being waterproof.
• This compass is a little bit heavy.

When I found this compass, I immediately knew that my search was about to end. This 12V device illuminates in a dark environment, so you can see the direction very clearly, anytime and anywhere. It also does not spin, giving me clarity even when the boat gets shaky.

If you love jeweled compasses like me, then you should try this one. It comes with a durable jeweled pivot installation that you cannot take your eyes off. The great design of this compass is coated with UV protection for a product that’s meant to last. I am also pretty sure that this easy-to-install compass will never delay your sea trip.

You can save a lot with this one because it features a low power draw you can rarely find in other products. This multifunctional compass is really something that you should have. It is a simple compass that perfectly serves my need for accurate direction.

• Illuminates in a dark environment so you can see the direction clearly.
• This marine compass does not spin, giving you more clarity on the direction.
• Comes with a jeweled pivot for durability and classic design.
• The marine compass is UV-protected.
• Easy to install and features a low power draw.
• The product is too large for RVs, as it is designed for big boats with larger areas.

The name says it all. This professional-grade compass will satisfy all your needs as it promises to lead you in the right direction in all of your trips. KEENSO truly belongs to the top marine compass manufacturers because ever since I bought its product, I have never got lost, and I easily reach my destination.

One thing I look for in a boat compass is durability. Thankfully, this one never disappoints. It is made of superior quality ABS plastic that efficiently resists any chances of rusting. Plus, it is also environmentally friendly, and the bracket is adjustable. You can be at ease with this compass that is easy to use.

I have tried several tiring compasses that lead me in the wrong direction. They even gave me hassles because I couldn’t read the direction pointed very well. The easy-to-read dial of this compass is far different because it guides me in the right direction easily, quickly, and with no confusion.

• A professional-grade compass that leads you in the right direction
• An eco-friendly compass.
• Made of the finest ABS plastic that resists corrosion.
• Comes with an adjustable bracket for easy maneuver
• The compass dial is easy to read.
• The installation may be challenging as it lacks a manual upon delivery.

You can look for a marine compass online, but you may never find a compass as good as this. When I get lost at sea, I know I can count on this product’s direction accuracy. The dial is also convenient to read, thanks to the accuracy compensator that comes with the compass.

For those who want to install their compasses in a jiffy, I highly recommend this one. It is a bracket-mounted compass, so it is known for its easy installation. It also supports the charge of your car or boat while offering a proper viewing angle to give a more precise direction.

This compass works well in many vehicles, which is why it tops other compasses. Unlike others that are bulky or too small for boat use, this one comes with the perfect size for your RV or sailboat. Plus, you will not need electricity or tools to install it.

• The dial is easy to read and delivers accurate results due to the compensator.
• This is a bracket-mounted compass, so it is easier to install than other models.
• Proper viewing angle for better direction.
• Its great compatibility allows this compass to work well in many vehicles.
• No electricity or tools needed.
• The ABS material prevents this product from rusting.
• It needs calibration before you can use it for the first time.

Are you tired of inaccurate compasses that lead you in the wrong direction? Then you can now rest easy because this marine compass from GELOO will never misguide you. It is a good pivoting compass for your car and boat, giving precise directions anywhere you go.

Since it is made of superior ABS, you know that you can count on this product. ABS material is known for its extreme durability that makes any product last long. It resists corrosion, too. So, you can take it on all your sea trips without worrying about the salty ocean breeze that causes rusting.

Another highlight of this product is the lighting. This boat compass with light saves you from the dark as it illuminates itself to make the dial easy to read. You don’t have to stress about the installation because it pretty much attaches to any surface. It comes with an EVA foam sticker or screws to make your work more convenient.

• Gives precise directions for your vessel with its pivoting feature
• Item is very durable since it is made from superior ABS.
• Non-corrosive compass, so you can take it on your sea trips.
• Illuminates in dark areas
• Easy to install as it sticks on almost any surface.
• Comes with EVA foam and stickers
• Looks bigger than the advertised picture

We are now at the last but not the least product in this article, and I will tell you why I reserved this one for you. I got this bulkhead mounted compass when I was about to have a long trip at sea, and this dash mount compass never disappoints. It is a flush-mount compass, too, so you can easily put it on top of almost any surface, including kayaks.

Plus, this compass is way different from other models in terms of quality and reliability. The BRUNTON compass has five-degree graduations for optimum accuracy. You know you are going in the right direction with this tool.

Save your troubles with this easy-to-read compass with its direct reading disc that makes this feature possible. It gives spot-on directions with its reciprocal bearing, even when facing giant waves at sea, so you would not have trouble figuring out your location.

• This flash-mount compass attaches to almost any surface.
• Also a bulkhead mount device.
• Comes with five-degree graduations for optimum accuracy.
• The product is easy to read thanks to its direct reading disc.
• Gives accurate directions with its reciprocal bearing.
• The included screws are too sharp.

We all want to make our buy worthy. That’s why everyone should be equipped with some info regarding marine compasses. So, what are the two important things that you must keep in mind? Well, first is the mounting method.

If you choose the correct mounting method before buying your compass, you will notice how it makes all the difference. There are different mounting methods, but I will just introduce the four common ones and exclude less common types like the overhead marine compass. They are the bracket mount, flush-mount, surface mount, and binnacle mount.

In a bracket mount, the compass usually rests in a bracket. You can mount this type on helms or decks. It is also easy to do, and you can have the right angle right away, which is why it is loved by many compass users.

Next is the flush mount. In this type, the compass lies inside the dashboard. It comes with a challenging assembly, but I can guarantee that the quality and visuals that this mounting type offers are out of this world.

The surface mount is where the compass sits on top of the dashboard. Just like a bracket mount, it is also easy to install. If you opt for a decent-looking installation, then you should go for this one.

Lastly, the binnacle mount. Just like the name says, a binnacle-mounted compass comes with its own case. It also looks decent and classy, but this mounting type may be bulky and takes up a lot of space. It also needs a lot of work, just like a flush mount.

After knowing the mounting types, I know that you already have your favorite in mind. It is time to go to the next thing that you should consider – the size. You would not want a bulky compass attached to a tiny helm. Besides that, the right size allows you to read the direction quickly and easily, even after installation.

Remember that smaller to mid-sized ones can range from 4 to 5 inches wide. Small sailboats, usually under 20 ft., are better suited with a small surface-mounted compass.

A bracket-mount compass usually comes with a mounting bracket. Some compasses do not come with a bracket mount, but there are times when you can convert one type of mount to another — for example, using a bracket to convert a flush mount to a bracket mount.

If you do not want to have a bracket mount, you can opt for Ritchie Explorer, Voyager, or Navigation Globemaster models.

Marine compass adjustments can be a piece of cake or a headache. But the general rule is to head zero degrees using the compass while disregarding the heading. After that, you should turn exactly 180 degrees and adjust the compensator. This will take out half the overshoot or undershoot. You can then repeat the steps on 90 to adjust the fore compensator.

To know if your compass is running accurately, you should observe these things. Put the compass on a non-magnetic flat surface.

Afterward, you should turn it in a clockwise and counter-clockwise direction. If the compass is accurate, the needle should act like a match stick that floats in the middle of a basin of liquid that you twist.

Calibrating a compass is one of the most challenging parts for me. I know that you can eventually get used to it, but the quality of a compass also plays a part. Choose a compass that delivers accurate direction and does not require constant calibration or tapping. It will save your time a lot.

Choose the best marine compass that comes with your preferred mounting type. By doing so, you can install something that you can actually handle. If you are a starter, choosing a bracket or surface mount is a good idea.

Besides, If you are care more about cabin products for boat such as boat seats or boat carpets , you also can search them on categories on the top of the article.

I am passionate about water sports and technical fields, so combining both makes me interested in making contents about boat accessories. With my partner, we went on many trips and sports games together, which led us to think about how we can spread our joys and passions to many people.

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Navigate Across the Sea With the Best Boat Compass

Sailing into open waters can be an exhilarating experience, but it can quickly turn into a real-life nightmare if you get lost. Whether you are a newbie who is just learning to ride a boat or an experienced sailor who loves taking in the salty air and waves, a boat compass can be your savior.

Not sure which compasses work? Rest assured, we have you covered with all the information you need to get your hands on the perfect compass for your beloved boat. Read until the end and you’ll not only find out about the premier boat compasses, but will also learn what you should look out for when making the purchase, how to use the compass accurately, and some commonly asked questions. Here are the highest-rated boat compasses of 2024!

Our Top Picks

• Best Overall: TurnOnSport Boat Compass Shop Now ➔
• Best Design: Ritchie Navigation Boat Compass Shop Now ➔
• Best Marine Compass: COSTIN Multifunctional Compass Shop Now ➔
• Best Value: Odowalker Electronic Marine Compass Shop Now ➔
• Most User Friendly: DETUCK Boat Compass Shop Now ➔
• 1 Compass Size
• 2 Mounting Options
• 3 Dashboard
• 4 Surface mount
• 6 Flush mount
• 7 Binnacle mount
• 9 Dial Types
• 10 Direct-dial
• 11 Flat card
• 12 Hybrid dial
• 13 Expertise

Is a boat compass even necessary?

How do i calibrate a boat compass, can the compass be damaged, do boat compasses have brackets, related reviews, detailing the finest boat compasses of 2024, best overall.

TurnOnSport Boat Compass

The TurnOnSport boat compass is a 12V magnetic compass that can be used for ships, cars, or vehicles. The best thing about this compass is that even a novice can read it with ease. Whether it is day or night, this compass provides clear vision as it lights up in the dark. It is the perfect design for ships and other watercraft — so long as you have a flat surface, the compass can be stuck or screwed on.

This magnetic compass is waterproof, resistant to corrosion, and also comes with a shade that can be used to shield it from sunlight. Because it’s so easily readable and boasts unparalleled accuracy, this compass is easily the best on our list.

• Magnetic compass with a 12V power supply
• Lights up in the dark
• Shade for protection from the sun
• Stickiness isn’t too reliable

Best Design

Ritchie Navigation Boat Compass

The product by Ritchie is a professional compass that can be used with ease and has superb accuracy. It comes with built-in compensators that are non-interactive and correct to true north when there are any deviations. Also featured is a hardened steel pivot that is scientifically designed to show you accurate routes — it doesn’t have plastic that can break down or show inaccurate directions. And, for convenience of use, this boat compass has a 2 ¾-inch dial that is very easy to read and comes with internal green night illumination. What’s best about Ritchie compasses is that they can be 100% repaired and come with five-year exclusive assurance. This means that, even if your compass gets damaged, you can get it fixed by the manufacturers.

• Compact black design 
• Direct reading dial
• Features internal green night illumination
• Built-in compensators to correct deviations
• Installation might be complicated

Best Marine Compass

COSTIN Multifunctional Compass

Made from high-quality engineering metal, the Costin multifunctional compass will ensure that you never get lost, whether you are on land or in water. The luminous arrow helps get accurate directions during the darkest of nights and its dial also lights up for better readings. It comes in a compact metal case that has a foldable metal lid and a floating compass dial, along with a pouch that makes carrying the compass very easy. This boat compass’s design is shockproof and waterproof, so despite the kind of weather you might be traveling in, there is little chance of the compass getting damaged.

• A built-in bubble improves accuracy
• Waterproof and shockproof
• Manufactured from engineering metal for longevity
• Metal case and pouch for easy transport
• It may not be accurate enough

Odowalker Electronic Marine Compass

If you are looking for a compass that works both in your boat and your car, then this pick from Odowalker is just what you need. Made with high-quality ABS material, the compass has an adjustable magnetic declination sheet and features an incandescent light that helps you read at even the darkest of hours. For ease of use, you can adjust the compass in a clear position for your vision. Also present are two power cords that can be attached to the power supply light or dashboard of a car or ship to create a backlight.

• High-quality LED light function
• Ideal for cars, ships, and more
• Comes with adjustable brackets for better vision
• Convenient backlight
• Requires power cords for backlight function

Most User Friendly

DETUCK Boat Compass

The DETUCK boat compass is one of the most user-friendly compasses available online. It comes with magnetic declination adjustment, which means the accuracy of your compass is increased and can easily be mounted on your boat’s dashboard with the help of its included double-sided tape. Also present are night lighting options that ensure you can see whether it is day or night — however, to make use of them you will have to connect the 12V power supply. The manufacturer will either replace or refund this compass if you are not 100% satisfied, meaning that you will not be disappointed.

• Magnetic declination for proper accuracy
• Red light illumination
• Made from high-grade material for longevity
• 100% refund or replacement guarantee
• Can’t have long-term sun exposure

Boat Compass Buying Guide

There are many things you need to look out for when purchasing a boat compass. After all, you don’t want to end up with a product that doesn’t show true directions. Here’s everything you need to know.

Compass Size

According to experts, as a rule, always choose a compass that has a large diameter. It should conform with your dashboard or helm to fit properly while also increasing readability. This feature can be a lifesaver when there is a lot of turbulence or when a storm is making the boat too rocky. If your compass does not come with illumination, a bigger dial will make it easy to read in the moonlight or under a flashlight.

Mounting Options

You also have a choice when it comes to the placement of your compass. Pick out the type that you feel will best suit your needs.

This is a model that can be installed on the dashboard of a ship or a vehicle and are mostly direct read dials that have to be kept in a vertical position to work properly. You will need to cut out some parts of the dash panel to properly install this boat compass.

Surface mount

These compasses can either simply be placed on a flat surface or installed horizontally. They are ideal for when you don’t want to cut out the dash or when you have a compact helm and come in all types of dials like direct-read, flat, or hybrid.

Most experts prefer compasses that come with brackets, as they allow tilting of the compass for better readings, but they are primarily suited for vertical surfaces. These come in all types of dial options.

Flush mount

This is another mounting option that requires you to make a hole on the surface of the dash. It gets installed into the hole so that only the surface of the compass is visible. These kinds of compasses are available in direct reads or hybrid dials.

Binnacle mount

Another type of surface mount compass is the binnacle mount model. These have longer bodies, as the compasses are large, and all come in flat card dials.

Almost all marine compasses come with LED lighting that needs to be connected to the power supply. This is because illumination makes reading the directions easy on a compass, whether you are traveling during the day or on dark, stormy nights. Certain compasses come with their own illumination that is either red or green-hued.

Some compasses come with adjustable shields that help protect the compass from sunlight to not cause glare. This helps increase readability even when the light is too bright, or the boat moves too much.

When it comes to boat compass dials, there are quite a few options. Here is all you need to know.

Direct-dial

Direct dials are for upright views where the lubber line is at the aft portion. These conical-shaped dials are perfect for helms where the boat compass is close to eye level. Generally, this type of dial is for expert sailors, as they know just the right way to read it.

A flat card dial comes with a horizontal face, so you need to be standing up when checking the compass. The lubber line is at a forward position, which is well suited to helms because you are mostly standing straight while piloting the boat. If you have a luxury boat with high seating, a flat card compass would also work well for you.

Hybrid dial

Hybrid dials are a mixture of direct read and flat card compasses. Also known as the combi-dial, the hybrid is widely available among boat compasses from Ritchie Navigations. What is so interesting about hybrid dials is that they can be read from above as well as from the front. This makes for an excellent and easy read because taking notes of the directions will not be an issue whether you are sitting or standing.

This is another important thing you need to consider when purchasing a boat compass. If you are a seasoned sailor, you will be able to read all kinds of dials and compasses. However, if you’re new to sailing and haven’t had much experience taking readings from compasses, you will need to get one that has clear, precise markers and a simplified read. This way, there will be no chance of getting confused about which direction you want to go.

People Also Asked

Whether you are a professional sailor or a beginner, a compass is essential. If you don’t have a compass, the chances of getting lost are high, it can cause great distress, and might also lead to some kind of accident. So be sure to always sail or go out on the sea with an accurate compass.

Calibrating a compass isn’t too difficult. You start by putting the compass to zero and then turning it 180 degrees. Then adjust the athwartship compensator in such a way that one half is over or undershoot. Repeat at 90 degrees, all the while adjusting the fore/aft compensator.

Very much so. The compass can break, its glass can crack, the plastic can melt, or the housing could leak. After some time, the fluid in the housing can change colors, although this only happens after a long time of use. Most compasses from good companies last a long time without getting any kind of damage. Generally, it’s a good idea to check out reviews before investing in one.

This depends on what manufacturer you buy from. Some companies give a bracket mount so that installation is easy, while others only come with double-ended tape or with a stand of their own that can be placed on a plain flat surface. If you have specific needs, be sure to ask the seller whether or not a bracket comes with the compass.

Article Contributors

Sail magazine review team.

SAIL Magazine Review Team reports on best-selling products in sailing and boating. The SAIL Magazine editorial staff is not involved in the creation of this content. SAIL Magazine is reader-supported: When you buy through links on our site, we may earn an affiliate commission. The SAIL Review Team is composed of authors, editors, and sailors. Artificial Intelligence (large language models) may have been used in the research and creation of the content.

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BOAT COMPASSES With Silva’s 89 years of experience in compasses, we deliver boat compasses that perform at a high level and last for many years. With us you will find sailboat compasses, motorboat compasses and compasses for kayaks, canoes and smaller boats.

Boat compasses: sailboat compasses and motorboat compasses In our wide range of marine compasses, you will find front-read boat compasses, sailboat compasses for bulkhead mounting, flush compasses and motorboat compasses designed for high speeds. With smart features such as a dual scale, three lubber lines, built-in lighting for night navigation and high heeling angles, you have everything you need for safe navigation on the lake.

Compass for kayak, canoe, dinghy The kayak compass 58 Kayak is easily attached to the kayak with a rubber band. The universal compass 70UN is well suited for kayaks, canoes, dinghies and small boats because it can be used both as a steering compass and a hand-held bearing compass and floats.

Durability, low friction and accurate reading Common to all our boat compasses is that they focus on:

DURABILITY The protective outer layer is made of transparent and scratch-resistant acrylic material that lasts year after year.

LOW FRICTION The combination of sapphire jewel and powerful steel minimizes the friction of the navigation needle, which provides fast and precise movements.

ACCURATE READING

The gimbal system provides a stable and accurate reading – even in the most demanding conditions on the lake. 

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Product Reviews

A Universal Marine Compass

A steering compass that also serves for hand-held bearings

From Issue   September 2023

I n the late 1990s and early 2000s I taught small-boat seamanship classes under sail at WoodenBoat School in Brooklin, Maine. For the most part, we sailed within a sheltered cove with an occasional voyage around some not-too-distant islands. At no point were we out of sight of land or, indeed, more than a few hundred yards from shore. Our boats were Herreshoff and Haven 12-1/2s, each equipped with sails, paddle, chart, anchor, and compass.

I had come to Maine from southwest England, an area known for its rain and wind. Those of us who sailed small open boats there were well practiced in reefing, but we rarely had to navigate by chart and compass. I don’t remember ever carrying a compass except for the few times we were sailing offshore or at night. We did, of course, have the occasional foggy day, but it was always well forecast and when it came, it hung around, socked in for the day. We simply stayed home. Maine, I quickly realized, was different. Here, on a bright summer day, a fog bank could roll in and overtake me with alarming speed. Within minutes I could go from full visibility to a few feet. Even more confusing, I could be sitting in full fog yet still see blue sky above. I understood why all the school’s sailboats had compasses.

Mounted on the aft end of a centerboard case the compass is conveniently placed for use as a steering compass and easily to hand if needed to take a bearing. The underside of the bowl has a flat area that allows the compass to lie flush with the surface beneath it.

While most of the boats had small bulkhead-mounted steering compasses, one or two had handheld compasses that had to be retrieved from a locker and so were seldom used. One boat had a compass that hung in a simple bracket mounted on the forward bulkhead and could be removed to be used as a handheld bearing compass.

I came to love that compass and determined to buy one for myself. I researched the product number and details only to discover that it was no longer on the market. Through the ensuing 20 years I have, from time to time, half-heartedly looked online for my compass.

Last month I found it. It was not the same brand, but in all other respects it appeared to be identical. I ordered one immediately.

The central strip in the bracket has a slight flex. When the compass is slid into the sleeve two tabs on the bracket snap into grooves in the compass handle and hold it securely, but not so tight that the compass cannot be pulled out of the bracket one-handed and with just a slight tug.

T he Silva 70UN measures 7″ from the top of the bowl to the bottom of the handle, and the outside case around the bowl has a 3 1⁄2″ diameter. It is waterproof and floats semi-submerged horizontally. It comes with a bracket and four brass mounting screws. (Additional brackets are available if there’s a need for more than one fixed location.) The compass can be mounted at any angle, even upside down, and read from the side or the top. As a steering compass, it must be mounted parallel to the plane of the boat’s centerline, either horizontally on a flat surface such as a thwart or centerboard case, or suspended from a cabin-top, or vertically on any bulkhead or other fixed upright.

Once the bracket is fitted, the handle of the compass is slid into it and held stable, prevented from jumping out by a subtle plastic snap within the face of the bracket that aligns with shallow 3⁄8″-long grooves in the compass handle. If the bracket is mounted so the compass can be seen from the helm, head-on with the curved front and back lubber lines overlapped, it can be used as a steering compass and, thanks to the large digits, is easy to read.

The compass is fully waterproof and floats. The case of the illuminated 70UNE is white, which might be easier to see if it’s dropped overboard.

For taking sights, the compass is quickly detached from the bracket. It can be lifted out with just a little force; only one hand is needed. The ergonomic shape and plastic’s matte finish make it comfortable in the hand. There are two scales: a main steering scale on the horizontal face of the compass card and a direct reading scale on the vertical edge. Both are marked in five-degree increments, with each 30-degree angle numbered: 0°, 30°, 60°, etc.

The manufacturer’s description says that the bowl is made from clear scratch-resistant acrylic and that the “combination of a sapphire jewel bearing, and a hardened steel pivot minimizes friction, which in turn gives rapid and accurate movements.” The damping-fluid-immersed card does not spin. When the compass is mounted, the card will still function with the boat heeled up to 30 degrees. Beyond that, it sticks.

Thanks to its ergonomic design and matte-plastic finish, the Silva 70UN is well balanced and comfortable in the hand making it easy to hold steady when taking bearings.

Jenny Bennett is managing editor of Small Boats .

The Silva 70UN is available from various online outlets priced from around $110, the Silva 70UNE is priced from around $120; I found my 70UN on Amazon for $107.99, and additional brackets at tridentuk.com priced $13.43 plus shipping.

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Comments (4)

Good article.

For many years, I have used a Plastimo Iris 100 hand-held compass, which has pretty much the same features and very similar configuration as those noted for the compass in the article, including a clip for bulkhead or thwart mounting. I mounted my clip on the aft bulkhead of my sail-and-oar boat to use while facing backwards, rowing. (I had a larger, bulkhead-mounted compass forward for sailing.)

Have had one of these for years. With RAN TAN, which has some space in the daggerboard trunk ahead of the dagerboard, I have a block of wood with a hole in it for the handle of the compass and the wood fits into the trunk. A hole in a thwart or seat works well as a mount. I do have an old sock into which I put the compass when not in use to keep the dome from being scratched, being somewhat cynical about manufacture claims.

I have the same compass in my 17′ Whitehall (traditional lapstrake, wood). I made a removable base that can bungee onto any of my thwarts. This allows me to use one mount and use it in a number of locations as the need arises. When the compass is not in use, I have a neoprene bag to keep it in and protected. Works wonderful as a bearing compass or steering compass. With the “classic wood” base-mount, it really fits with the character of the boat.

I have a much simpler (and cheaper) bearing compass that I take kayaking. The usefulness of this type of compass comes when you find yourself in unfamiliar waters and need to know your location. Sighting one, two, or three prominent landmarks in different directions gives you crossing lines that pinpoint where you are.

If often grouse when I am with a group on an excursion, and everybody prefers to let the “leader” do the navigating. Everyone (in separate boats) should carry a chart, and should take some responsibility for navigating. Groups have been known to get separated, with resulting embarrassing or awkward outcomes. Sometimes the leader doesn’t know what’s going on any more than the followers.

Of course GPS solves all these problems. Until the batteries give out.

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Adjust Your Own Compass

With a little care, boatowners can do a perfectly adequate job of compen­sating their own compasses. The ob­jective in compass adjusting is to neutralize the boat’s magnetism, not to make the compass point in any par­ticular direction. You can determine the effect of the boat’s magnetic field on any compass bearing by simply turning the boat 180 for the amount that the compass overshoots or under‑shoots a 180′ change is always just twice the effect of the boat’s field on that heading.

All you have to do is head zero degrees by the COMPASS (never mind what the heading actually is), then turn EXACTLY 180 ” and adjust the thwartship compensator to take out one half the over- or undershoot. Repeat on 90 adjusting the fore/aft compensator. That’s all there is to it!

My favored approach is to tie the boat bow and stern across some quiet canal on a near north-south compass heading, winch up tight and read the compass. Then swap bow and stern lines, winch up tight again, and take out one half the amount the compass over- or under-shot the 180 turn. Do the same on a near east-west heading, and then repeat the process until there is no remaining over- or under­shoot of the    turns.

This procedure provides exact neutralization of the horizontal com­ponent of the boat’s magnetic field at the compass location, which is the best that can be done with the two compensating adjustments usually provided on a small boat. The headings do NOT have to be exactly compass N-S and E-W. If they are within a few degrees that’s good enough. If perchance the headings chosen happen to be exactly magnetic N-S and E-W, then the two ad­justments would be uncoupled and exact compensation theoretically could be reached in one round of ad­justments. The further the chosen headings are from exact magnetic N-S and E-W, the more adjustments would be required to achieve com­plete neutralization of the boat magnetism, but even then the pro­cedure does converge to the correct adjustment.

Incidentally, you don’t really need two compensating magnets. Complete compensation could be provided by a single magnet mounted directly below the compass binnacle, and arranged to be raised or lowered to adjust the magnitude of the compensating effect and rotated to establish its direction.

Editorial Note: This simple procedure will, in fact, neutralize the vessel’s magnetic field within the capabilities of the internal adjusting magnets. However, the effect of the magnets can change on a sailboat as the boat heels, and it is also possible for the engine, when running, to affect the compass.

We would want to reinforce our faith in the compass, after neutralizing the boat’s magnetic field as much as possible, by running compass courses between a number of fixed points in known locations, under sail and under power, so that a good deviation card can be developed.

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Choosing the right compass for marine navigation is crucial. You should consider several factors, such as lighting, night visibility, compensation, and balance. There are two styles of boat compass to consider and sometimes having both on board is worthwhile.

Firstly there are hand-bearing compasses or sight bearing compasses. Typically small and handheld, these compasses feature a sighting mechanism that helps to accurately identify locations and calculate bearings.

Secondly there are fixed mount marine compasses. These come in a variety of mounting options to suit different types of vessels and mounting locations.

• Flush mount on a horizontal surface: This is a great option for flybridges, central steering areas, or upper decks. This is because it provides a good viewing angle for the compass.
• Flush mount on a vertical/inclined surface: Bulkhead mounted nautical compasses are best suited to sailing yachts. Ideally mounted in the cockpit area of the boat.
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• Binnacle for steering wheel: This is an ideal option for sailboats that have a steering wheel, and is extremely popular.
• Mini Binnacle mounting: An ultra-slim and compact version that makes it easy to mount the compass without a cut-out hole.
• Removable mount: Allows you to place the compass in a fixing plate wherever you need it. This allows for easy removal and storage at the end of the day.
• Mast mounting: This is a great option for boats with limited space, and a mast mount kit is available to make installation easy.

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Suunto Orca / Pioneer Small Boat Compass

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Product Discontinued by Manufacturer

Suunto Orca / Pioneer Small Boat Compass has been discontinued by Suunto and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Compasses , Survival Gear yourself to try and find the perfect replacement for you!

Product Info for Suunto Orca / Pioneer Small Boat Compass

In addition to Suunto Pioneer Orca Nautical Compass , we carry a full line of Suunto digital compasses as well as other product offerings from Suunto Brand . Suunto offers a wide selection of smaller sized marine compasses for various applications ranging from small powerboats and dinghies to kayaks and canoes. The operational temperature range for these compasses is at least -30 °C - +60 °C (-21 °F - +140 °F) and all are covered by a 5-year Suunto warranty. And of course, every product we sell, be it from Suunto or any other fine manufacturer, is backed by our 100% satisfaction guarantee!

Specifications for Suunto Orca-Pioneer Small Boat Compass:

Features of suunto pioneer-orca boating compass:.

• Fits kayaks, canoes and small boats
• Two alternative mounting systems: Rubber cord with hooks make it easy to mount and detach; Permanent mounting bracket for surface mounting
• Mounting location adjustable to your preference
• Elastic elastomer housing
• Self-illuminated compass card
• Smash-pocket for compass storage as standard
• Available in black and yellow
• Tilting angle effective up to +/-25°C
• Operating temperature range: -30°C to +60°C (-21°F -+140°F)
• 5 year Suunto warranty

Package Contents:

• Suunto Orca-Pioneer Marine Small Boat Compass

Related Products to Suunto Orca / Pioneer Small Boat Compass

Suunto orca / pioneer small boat compass unavailable & discontinued models, list of unorderable models.