sailboat wind speed and direction instruments

Wind and Weather Tools

The best sailboat wind direction indicators, wind speed meters & anemometers.

If you’re a sailing enthusiast you probably are no stranger to needing accurate wind speed and direction information. There are a slew of wind meters available today for just about every need: from handheld anemometers (wind speed meters), to sailboat mounted wind direction indicators and more. In this article, we’re going to do a roundup of the best wind meters for sailing, wind vanes for sailboats, the best anemometers for sailing, and more.

The best wind direction meters for sailing

WeatherHawk SM-18 SkyMate Hand-Held Wind Meter, Yellow

This floating anemometer is one of the best wind speed meters for sailing. It can measure wind speeds ranging from 0.5 miles per hour all the way up to 99MPH at user-selectable intervals of every five, ten, or 13 seconds (in addition to calculating the average wind speed and tracking peak speed for you). Plus it can also measure wind temperature and wind chill in both Fahrenheit and Celsius. One other nice feature about this sailboat anemometer is that it comes with a durable build and a bright yellow flip-shield. Naturally, it’s also water-resistant so if it falls into the water you’ll be able to easily spot it floating. Also comes with a loop for a lanyard or wrist strap if desired. A belt sheath is also available for this product.

For more handheld anemometers, see our full article: The Best Portable Anemometers & Portable Weather Meters .

Cape Cod Wind Speed Indicator for Sailboats

Cape Cod Wind & Weather instruments have been a staple of sailors since the company was founded in 1939. With an emphasis on quality American-made wind speed indicators, these gauges are built to last.

This wind speed indicator for sailing can mount on your sailboat either vertically or horizontally and it comes with a spinning cup wheel which can be mounted wherever you like (the supplied cable is 50 feet long and comes with a mounting bracket and screws). For wireless anemometers, see our related article: What is the Best Wireless Anemometer & Wireless Wind Speed Meter?

For decades Cape Cod Wind & Weather has supplied sailors with reliable real-time sailboat wind direction indicators, and this wind speed meter for sailing is no exception.

This unit measures wind speed from zero to 100 miles per hour and comes with a ten-year limited warranty. Pairs well with Cape Cod’s Wind Direction Indicator which matches with a lighted dial interface for wind direction metering.

Davis Instruments WindTrak 15 Suspension Bearing

This weather vane for sailboats mounts on your masthead through bolts or a tap and it provides an easy-to-read wind direction indicator. It’s one of the most popular sailing wind vanes on the market and this particular Davis WindTrak model is intended for medium to larger boats (the vane itself is 15 inches long; a smaller model exists for smaller boats). This model has what Davis calls a bird-proof spike to keep seagulls from trying to land on the instrument while you’re sailing. The vane itself features tabs that reflect in order to remain visible at night or in dark conditions.

Davis Instruments Spar-Fly Wind Indicator for Yachts and Dinghies

This compact sailboat wind direction indicator comes in a bright red color and has both a top and side mounting option. It measures 15 inches long, is highly visible, and weighs an astonishing 1.25oz for a highly responsive level of accuracy even in light wind conditions. The Spar Fly sailing wind vane is intended for sailing dinghies or small yachts and has great reviews.

Raymarine i60 Wind System with Masthead Instrument

The Raymarine i60 Wind System measures wind speed and direction as well as a slew of other readings with an easy-to-read digital-dial hybrid display and a masthead mounted instrument. It comes mounting gear and a 100 foot long (30 meters long) cable to connect the wind meter to the display. This is one of the best anemometers for sailing. Can measure wind speed/direction, maximum wind speed (peak), Beaufort scale, Tack and VMG. Plus it has a red backlight for dark conditions.

Frequently asked questions about windvanes for sailboats & the best anemometers for sailing

What features should I look for when shopping for a wind meter for sailing?

The best wind meters are often mounted anemometers made specifically for boating which have a display you can attach to your console. We have a few such wind speed meters for sailboats listed in this article, above.

Handheld anemometers for sailing usually float, are brightly colored, and are waterproof in case they fall into the water. They may also contain temperature gauges and loops for wrist-straps or lanyards.

No matter the type of anemometer you choose, a large easy to read at a glance display is also especially useful for sailing anemometers.

What is an anemometer?

An anemometer is simply a wind speed meter. Some anemometers have digital displays, others have dial displays. The most sophisticated anemometers can also measure a variety of other metrics like temperature, dew point, humidity, barometric pressure, and so forth. Advanced anemometers can even give a personalized weather forecast for any location (especially useful if you’re using an anemometer in a spot where there isn’t a reliable weather forecast). Anemometers for sailing are useful because they give a clear and accurate reading of wind speed and direction. For more information about what anemometers are, read our related article: What is an Anemometer and What is it Used For?

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THE WIND DIRECTION INDICATOR

The WINDEX is a Swedish invention from 1964 that is currently sold in more than 40 countries across five continents. In total more than 1,500,000 WINDEX Wind Direction Indicators have been sold over the last 45 years.

The different WINDEX models are found at the top of masts on every type of sailboat from Americas Cup boats to racing dinghies, and everything in between.

It is one of the most well known and recognized yachting products. The inventive and superior design of the WINDEX Wind Direction Indicator has allowed it to stay virtually unchanged for more than 40 years.

All manufacturing, design and distribution to our WINDEX agents is done in Sweden.

WINDEX SCOUT

A wind direction indicator with a built in antenna.

Presenting Our Brand New Windex Scout VHF Antenna. This unique product is a combination of the Windex 15 high precision wind indicator with Scout's premium VHF antenna. It is a patent pending solution with the Windex mounted on top of Scout's rigid fiberglass antenna. The result is a space saving design which allows for undisturbed relative wind readings and offers high quality VHF transmission. This product comes in two sizes the Windex Scout VHF 50 and the Windex Scout VHF 90.

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This is Windex

The WINDEX was first designed and brought to market in 1964 by RADAB (Research And Development AB), a small company run by three young engineers who also happened to be close friends, Sven-Olof Ridder, Harald Undén and Lars Bergström.

The original WINDEX design by Sven-Olof Ridder, an aeronautical engineer who is recognized worldwide for his design skills, was made of aluminum. The design was successful and soon became popular with Swedish sailors. However, the international breakthrough came in 1972 when a large investment in plastic tooling was made, which allowed for large quantity production at a lower cost. One of the design criteria at the time was that the WINDEX should be “as sensitive in light air as cigarette smoke”. The solution was a plastic wind vane with low weight and a large fin mounted on a Sapphire jewel bearing like a compass needle.

This design, which incorporates the now famous Sapphire jewel suspension has remained unchanged and extremely popular with sailors through the decades.

RADAB and its founders have also been involved with the development of several other successful engineering projects, among them are the Windex 92 Family Cruiser and the Windex 1200 C.

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What Is A Sailboat Wind Direction Indicator?

Wind direction indicators, also known as wind tells, are devices or visual cues used by sailors to determine the direction and strength of the wind while out on the water. They provide valuable information for sail trim, tacking , boat handling, and overall navigation.  

Wind direction indicators come in various forms, and their purpose is to show the relative wind direction and sometimes wind speed. Here are some common types of wind direction indicators:  

Wind Vane :  A wind vane is a physical device that is mounted on top of the mast or another elevated location on the boat. It typically consists of a small arrow or fin that points into the wind. The boat's crew can visually observe the wind vane to determine wind direction by noting the direction in which the vane is pointing.  WindTrak  is a popular type of wind vane that consists of a lightweight vertical spar or pole with an arrow-shaped indicator at the top. It is designed to pivot freely and align itself with the wind. The WindTrak is mounted on top of the mast, making it easily visible to the crew.   

Windsock : A windsock is a fabric tube open at both ends. It is commonly found in marinas, on docks, or onshore near water bodies. The windsock's shape and movement provide an indication of wind direction and sometimes wind speed. Sailors can observe the windsock from a distance to assess the prevailing wind conditions.  

Ribbon or Streamers : Sailors sometimes attach lightweight ribbons or streamers to the shrouds, stays, or other parts of the rigging. These fluttering indicators can help provide a visual reference of the wind direction and intensity.  

Telltale Streamers : Telltales (such as Davis Instruments' Air-Flow Tels ) are small strips of fabric or lightweight material attached to the sails or rigging. They are strategically placed to indicate the airflow over the sail surface. By observing the movement of telltales, sailors can fine-tune their sail trim to optimize performance based on wind direction.  

Wind direction indicators are essential tools for sailors as they provide real-time information about the wind, helping them make informed decisions about sail adjustments, boat heading, tacking and overall strategy. By interpreting the information provided by wind direction indicators, sailors can harness the wind effectively and sail their boats more efficiently.  

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Wind Instruments - Speed & Direction

Cables & Accessories  |  Depth  |  Electronic Compasses  |  Mounts  | Multifuntion | Speed |  System Packs |  Transducers |  Wind  

Stay on top of wind shifts and be aware of the conditions around you with these electronic wind instruments. 

With models from B & G, NASA, Raymarine, Garmin and more, you can know the wind speed and direction. Some models will display masses of wind data including apparent wind speed and angle, true wind speed and angle and more - incredibly useful to racing yachtsmen to give you the racing edge but equally good for the cruiser to get the most performance out of their boat. 

Video: Can I get data from my NASA Wireless Wind System on to my chartplotter?

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Features – SailTimer Wind Instrument™

● For sailboats of all sizes:  keelboats, bluewater catamarans, trailer sailors, racing dinghies and even beach cats (no 12-volt battery required). ●  Wireless.  No wires to install down the mast and through the cabin walls.  Less noise and weight aloft. ●  Solar-powered renewable energy; can run day & night indefinitely. ●  The first anemometer designed for sailboats ; the innovative blade shape maintains equal wind speed accuracy when sailing heeled over (unlike standard cup, ultrasonic and propeller anemometers). ●  Better for sailors than ultrasonic sensors. The air can’t flow straight through the horizontal slot on an ultrasonic when it is leaning away from the wind, making it inaccurate.  The SailTimer also provides a visual wind indicator if you look up. It not even possible to check the accuracy of wind direction on an ultrasonic without any physical indicator; you would need to control wind direction very precisely such as in a wind tunnel. ●  The first masthead anemometer with a digital compass right in the wind direction arrow. ●  That means you even get wind direction while docked or swinging at anchor, when GPS heading is not available. ●  With new features in app updates on iOS & Android, the Wind Instrument actually gets better over time. ●  For off-season storage, simply unplug the battery. ●  SailTimer made the first-ever masthead anemometer that could transmit to tablets/smartphones, and this is the newest version. ●  As Wikipedia notes, Bluetooth Low Energy has an official transmission distance of >330 feet (>100m).  The new model of Wind Instrument has our strongest transmissions yet, with 100 feet (30.5m) typical with obstruction and 280 feet (85m) with line of sight. ●  The first masthead anemometer to work with rotating masts. ●  Simple set-up:  calibration to the bow of your boat is not required. ●  Small vertical design compared to the common horizontal structure , to prevent damage from large seabirds (and prevent bird droppings onto the boat below — major advantage!).  Handheld size comparison . This has worked so well that we actually offer a lifetime warranty against damage from seabirds – another industry first. ●  Better lightning protection with Delrin thermoplastic base and no wires coming down from the top of the mast. ●  Masthead mount or portable with an L-bracket for walls/posts and adapter for 1/4″ tripod / Gorillapod / GoPro mount (see Accessories). ●  The Wind Instrument has an ingenious design with the removable Bbattery in the nose cone, where it serves as a balance instead of adding the usual counter-weight there. Carbon-fiber pointer also reduces weight. ● You can replace the battery if ever needed, or put it in a wall charger. ●  Lithium (LFP) battery works in the full range of outdoor temperatures, with a longer lifespan of charge cycles than other lithium batteries (and far longer than traditional lead-acid rechargeable batteries). ●  Works with lots of charting, wind gauge and performance apps , including the SailTimer tacking app with full chartplotting features. ●  Audio Navigation with no screen required in the SailTimer apps.  Put your phone away safe & dry – no need to try to see the screen out in the bright sun.  Bluetooth speaker or earbud tells you when wind conditions or boat speed change by more than a set amount.  Saves battery power and reduces heat in your phone/tablet. ●  Submersible with the maximum IP68 waterproof rating. Designed to stay water-tight for at least 30 minutes submerged and at least 1 meter deep, e.g. in a dinghy capsize with the mast going under. ●  Air Link  accessory for plugging in to on-board wired marine electronics using the industry-standard NMEA format. ●  Wind direction equally sensitive all the way around;  no dead band at the end of the rotation as in wind direction sensors with potentiometers. ●  Transmission speed can be set at 1, 3, 5, 10 or 20 times per second (Hz), depending on whether you want to preserve battery power or want very fast, smooth response on a wind gauge or autopilot. ●  The first masthead anemometer with crowdsourced wind maps  – much higher resolution than marine weather or GRIB forecasts. ●  The Wind Instrument with removable battery uses an amazing 80% less power than previous models when not transmitting on Bluetooth. ●  New firmware and features (Apr. 2021): (a) Based on the state-of-the-art US NOAA / British Geological Survey World Magnetic Model (WMM) for precise wind direction worldwide. (b) Over-the-air updates for new electronics functions that may become available in future. (c) Send wind data at 1, 3, 5, 10 or 20 transmissions per second (Hz). ●  Even if your boat is already in the water, you can raise the Wind Instrument without having to lower or climb the mast.  Another first!

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Portable Sailing Tools for Tracking and Tuning Boat Speed

Practical sailor tests the speedwatch and two souped-up gps devices from velocitek..

The marine GPS receiver in its purest form is meant to answer three important questions: Where are we? What direction are we going? How fast we are going? For the philosophical navigator, the answers to the first two questions may be the most intriguing, but for the Melges 24 racer bound for the finish or the Caribbean cruiser hoping to drop anchor before sundown, the digits beside the word “knots” are much more compelling. So it should come as no surprise that a new breed of GPS devices-appealing directly to our need for speed-are making steady inroads into the sailing market.

Although the racing rules for many sailboat classes ban the use of portable GPS devices during racing they are popular training tools, and many local fleets make exceptions to allow the use of GPS. Compact, watertight, and wireless, battery-powered GPS units are particularly useful on smaller boats.

The earliest GPSs were poor tools for tracking speed. Fixes were deliberately imprecise (for the sake of national security) and they erratically averaged speed by using the distance/time formula and a breadcrumb-trail of trackpoints. By comparison, a modern GPS receivers has very precise fixes and can almost instantaneously calculate speed by monitoring the frequency shifts (Doppler shift) of the satellite signals it tracks. Just as a train whistles rising pitch can be used to calculate how fast a train is approaching the station, the frequency change in signals from GPS satellites can be used to determine how fast a boat is going. Advanced GPS chipsets in two devices reviewed for this article can calculate speed and heading solutions four times per second. This often yields results that are more accurate than can be displayed by typical sailing instruments, since these are usually limited to resolutions of 0.1 knot and 1 degree.

As any navigator knows, GPS devices calculate speed over ground (SOG) and course over ground (COG), not speed through the water, which requires a knot log to measure. Although sensors that accurately measure speed through the water, wind direction, and wind speed are standard for high-level racing, speed over ground and course over ground is sufficient for many racers. Among other things, SOG and COG can help define optimum points of sail, refine sail or hull trim, reduce skin drag or leeway, and judge the best time to tack. Combined with a magnetic compass, COG and SOG can also help quantify the effects of a cross current.

And, as we found with two of the devices tested for this article, with the right firmware and software, this GPS-based data can be displayed, logged, and later reviewed in ways that makes it useful to sailors of all levels.

What We Tested

Practical Sailor testers recently spent a week experimenting with three handheld products geared toward performance sailors. Unlike conventional portable GPS units, which have relatively small displays and deliver a wide range of navigational data, these products display relatively large digits that can be read from a distance, and the view options are limited to those that relate exclusively to speed and racing performance. Latitude and longitude are nowhere to be found until you download the data for review on a computer. In addition, the rate at which data is updated in these devices is faster than youll find in many multi-purpose GPS devices.

Two of the devices we reviewed, the SC-1 and the SpeedPuck, are made by Velocitek, a company founded by surfer and windsurfer Alec Stewart, who left Stanford Engineerings Aeronautics and Astronautics PhD program to start the business. Both devices use GPS satellite signals to monitor speed and performance. The third product, the Speedwatch, has no GPS receiver, relying instead on a tiny propeller mounted on the hull to record actual speed through the water. The data is then delivered wirelessly to a wristwatch display.

Testers also experimented for a few hours with SailClever, a relatively new smart-phone application that can be wirelessly linked (using Bluetooth) to a GPS receiver and other onboard instruments to serve as a handheld tactical computer. The product, which was still in testing at the time of this article, is reviewed separately on page 30. PS did not get the chance to evaluate the Rockbox AMPD ( www.rockcitymarine.com ) and the Nauteek ( www.nauteek.com ), two products that perform similar functions as the Velocitek SC-1. PS plans to review these products in a future article.

How We Tested

The products were evaluated based on three chief criteria-ease of installation, performance on the water, and durability. Because the SpeedPuck and SC-1 also allow racers to download data for evaluation on a computer (Windows), testers also rated them on this function.

For the installation review, testers installed the units on a 1974 ODay Javelin, an Uffa Fox design and an early ancestor of todays planing skiffs. The on-the-water evaluations took place over the course of six days, and the units were first tested independently and then together while sailing on the Javelin. Sailing speeds ranged from 1 to 9 knots. High-speed testing on a powerboat ranged between 15 and 30 knots.

Screen visibility was compared in bright sunlight, both with and without sunglasses, and at night. For battery testing, any automatic shut-off features were disabled and the units were left on until the battery signal indicated an empty battery. For the durability testing, the display components went through our usual routine for handheld electronics: Put in the oven to 140 degrees for 30 minutes, placed in a freezer at 15 degrees for four hours, subjected to five minutes of direct jet spray (approximately 45 pounds per square inch) from a garden hose, submerged 3 feet underwater for 30 minutes, and dropped on each side on a fiberglass deck from 3 feet height. All of the units passed the durability tests with flying colors. Comparison data and test results in the other areas appear on the chart on page 28.

Developed by JDC Electronics in Switzerland and distributed in the U.S. by Ocean Equipment, the Speedwatch comprises three components: A tiny propeller that mounts on the bottom of the hull in a place of clean water flow, a transmitter that needs to be mounted above the water and 12 inches from the propeller, and the watch-like display that can be worn on the wrist or leg, or mounted on the boat.

The transmitter (powered by a 9-volt battery) picks up magnetic pulses from the rotating propeller and wirelessly delivers the data to the display, where it is processed and displayed. The watch (powered by a long-life lithium battery) must be no more than 13 feet away from the small transmitter, not a problem on most small boats.

One neat feature is that the system requires no wires or holes in the boat. Testers used the removable fin (photo below) mount, which easily slides onto a small permanent mount. (Three locations were tried.) Two other mounting options are provided, and all make it fairly easy to remove the propeller when its not in use.

Anyone familiar with a digital watch can use the nine-page manual and figure out the four buttons that select the display modes. Surprisingly, this was the only device tested that had a backlight for use at night, although testers had to view the screen at an angle when using the light. Speed is displayed one of four ways: instantaneous speed, balanced speed, and the maximum and average speeds over a timed run. The balanced speed is essentially a damping feature, displaying the average speed during a user-defined interval, between 2 and 60 seconds. It also functions as a watch, stopwatch, and countdown timer with audible signals for race starts.

Unlike the other two devices tested on the water, this is the only one designed to deliver speed through the water. This ability would be very useful for getting instantaneous readouts to help gauge the effects of weight placement or sail trim. Comparing this speed data with speed over ground from GPS, you would also be able to gauge the effects of current.

However, at speeds of less than 6 knots, readings were inconsistent, at times registering less than 2 knots when the boat was clearly moving much faster (confirmed by GPS). Tests at higher speeds on the powerboat showed more consistent readings.

Bottom line: This Speed Watch is compact, easy to install and use, and its battery life far exceeds that of the two GPS-based products. However, testers concluded that the device, with several potential failure points, offered little advantage over the GPS-based devices to the average sailor.

Velocitek SC-1

Predecessor to the SpeedPuck, the Velocitek SC-1 includes the same speed and heading functions found in the SpeedPuck and adds several other functions, including velocity made good (VMG), a “tactical compass,” start timer, distance to line, and the ability to display two functions at once.

Enclosed in a rugged, watertight box with two latches, the SC-1 is heavier and bulkier than the SpeedPuck and has four buttons. These watertight capacitive touch sensors, designed to stand up to the extreme forces of a 25-plus-knot capsize, introduce unnecessary complications for the less-than-10-knot crowd. (When you have to read the manual to figure out how to turn something on and off, something is amiss.) Because the buttons can be activated by splashing water, they are programmed to lock after periods of inactivity or when a minimum speed is reached.

Briefly tempted to subject the SC-1 to more rigorous impact-resistance tests, testers instead disabled the auto-lock feature (via the Control Center software with a computer).

Once you master the button controls , the SC-1 can be put to good use on the race course. Both the tactical compass heading and the VMG functions are based on a reference wind direction that is manually programmed into the SC-1. Once the referenced wind is set, the tactical compass mode displays what is effectively the relative wind angle, while the VMG function indicates the boat speed upwind or downwind.

The distance-to-line function requires the sailor to enter marks as close as possible to the committee boat and pin-ends of the start line. Once these points are entered, the display will indicate the perpendicular distance to the start line from your boat. The distance is accurate to between .75 and 3 meters, depending on the number and location of the satellites in view at the time.

As with the SpeedPuck, the race data can be downloaded and evaluated using Speed Play or the bundled GPS Action Replay.

Bottom Line: Plan to spend some time with the manual to make the most of this unit. The more advanced racer will appreciate the VMG and distance-to-line functions, but don’t expect your crew to master the button-pushing basics without some initial cursing under their breath.

The SpeedPuck could be considered a light version of Velociteks SC-1, delivering only the most essential data to sailors who refuse to touch an owners manual. It uses the same 16-channel GPS chipset (U-blox Antaris LEA-4A) as the SC-1, but it displays only three key pieces of data: Speed (maximum or maximum 10-second average), heading, and windshifts. Round, with a screw-on back sealed with an 0-ring, the SpeedPuck is well engineered to withstand abuse. Its display is easier to read than the SC-1, and its single button is much simpler to use than the Velociteks recalcitrant touch sensors. It also has a blank-screen log mode that simply records data for later replay, useful in races that prohibit GPS aids.

Installation is fast and easy. Just stick the adhesive-backed 3M Dual Lock hook-and-loop mounting pad wherever you want to put the device. Other mounts are available. The SpeedPuck also has a wrist lanyard, but it is too big to be considered a pocket instrument.

One of the SpeedPucks key features is the way it presents heading data. As soon as you hold a compass heading for 20 seconds, it locks on that course and a single bar appears on the display, centered at the 12 oclock position. Any significant variation from that heading is indicated by additional bars to the left or right of the 12 oclock position on the puck; each bar represents three compass degrees.

While sailing, this display offers instant feedback on slight course changes, which can also help detect wind shifts. Two bars to the right (clockwise) from 12 oclock, for example, means the boat is heading 6 degrees to starboard of its original course. If it is on port tack at the time, and the tell tales are still streaming nicely, then the boat is getting headed. If we hold this new course for 20 seconds, the SpeedPuck resets, again showing a single bar at 12 oclock. This delay would be a problem when racing, but for tweaking trim and basic training, the system works well, and is easier to use than simple compass bearings.

The SpeedPuck was the testers favorite on the water. It was dead simple to set up and easy to use. A couple of times as the test boat ghosted in very light winds, the heading indicator bar disappeared for several seconds. According to the maker, sudden changes of direction or speed can have this effect.

Off the water, the testers used the free downloadable Velocitek Control Center to modify the SpeedPucks default settings. The software lets users specify compass deviation, change the rate of position logging, and alter how frequently speed and heading solutions are updated. A bundled third-party program called GPS Action Replay lets users replay and evaluate logged data, but the track data (a nearly invisible light yellow color at low speeds) is hard to interpret, and the graphics are uninspiring.

Testers also tried Velociteks more user-friendly SpeedPlay software ($49) to review and manipulate the logged data. Once it was installed, the program made it very easy to download recorded data from multiple SpeedPucks or SC-1 units and replay a race. The user can easily drag and drop marks on the plotted routes, and the track can be exported to common formats (KML and GPX) for use with charting software, or mapping tools like Google Earth.

Bottom line: Rugged, easy to install and use, the SpeedPuck is recommended for club racers and small-boat sailors looking for a fun practice tool that monitors speed. Serious racers will long for some of the advanced features of the SC-1, but for quick and easy evaluation of speed over ground, post-race evaluation, and a reasonable price, the SpeedPuck fits the bill.   

While there may be a market for the Speedwatch for kiteboarders, windsurfers, and high-speed sailors, based on our testers experience, we don’t recommend it for most sailors. So that leaves us with the Velocitek gear-or the familiar handheld GPS.

If all you need is heading, average speed, and an ego-boosting logged maximum, the basic handheld Garmin GPS units-take the aging 76CSx ($250) for example-will do this and a whole lot more. And virtually all GPSs today let you download and analyze tracks with a range of software.

So, if you need a GPS device anyway, why shell out $250 for the SpeedPuck, or almost twice that for the SC-1? The chief advantages of the Velocitek devices are cleaner designs, bigger readouts, much more rugged housings, faster updates, a dead simple interface, and some fun software to play with after a race. The firmware is designed with sailors in mind, allowing them to easily follow wind shifts, and, with the SC-1, tap into more advanced functions like the tactical compass and distance-to-line. We were also very impressed with the people in tech support, who understand the needs of sailors.

The SpeedPuck, in particular, will make a good training tool for todays young sailors, who-for better or worse -are intrigued by all things digital.

The SpeedPuck and SC-1 will give around-the-buoy sailors the ability to quickly quantify performance without spending a small fortune, but they are no replacement for wind and through-the-water speed sensors.

Ultimately, sailing involves wind and water, and without any true environmental data, the sailor must trust his senses and instincts. It goes without saying that the last two items, which cost nothing but time on the water, are still the sailors most valuable tools.

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Wind indicators and instruments

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Garmin GNX Wind, Affordable, Dedicated Wind Instrument for Sailboats

Purchase options and add-ons

Brand	Garmin
Model Name	GNX Wind
Vehicle Service Type	Sailboat
Screen Size	4 Inches
Special Feature	Lightweight
Connectivity Technology	Bluetooth
Map Type	North America
Sport	Sailing
Included Components	GNX Wind; Trim piece snap cover; Protective cover; Flush mount gasket and hardware; NMEA 2000® T-connector; NMEA 2000 drop cable; Installation instructions; Documentation
Mounting Type	Wrist Mount

About this item

• Glass-bonded backlit monochrome LCD display lens avoids fogging
• Large, easy-to-read black digits on white or customizable background colors for high contrast and high visibility in all lighting conditions
• 2 data fields and a digital wind rose simultaneously display true and apparent wind data, Steer Pilot, boat speed and more
• Displays true and apparent wind speed and wind angles, true wind direction, boat speed, speed over ground, VMG, heading, course over ground and closed haul
• NMEA 2000 network and ANT technology interfaces

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Product description.

If you own a 20- to 40-foot sailboat with no wind system or an older wind system onboard, then GNX Wind marine instrument is an excellent choice to provide the accurate, reliable data you need to make confident decisions.

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Price	$390.63$390.63	$493.62$493.62	$449.49$449.49	$375.50$375.50
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Customer Ratings	—	38	13	3
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What's in the box

• GNX Wind; Trim piece snap cover; Protective cover; Flush mount gasket and hardware; NMEA 2000® T-connector; NMEA 2000 drop cable; Installation instructions; Documentation

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Product information.

Product Dimensions	11.02 x 11.02 x 11.02 inches
Item Weight	1.78 pounds
ASIN	B01ELJSI0Y
Item model number	010-01142-30
Best Sellers Rank	#475,842 in Electronics ( ) #1,018 in
Is Discontinued By Manufacturer	No
Connectivity technologies	Bluetooth
Special features	Lightweight
Other display features	Wireless
Human Interface Input	Buttons
Color	Black
Whats in the box	GNX Wind; Trim piece snap cover; Protective cover; Flush mount gasket and hardware; NMEA 2000® T-connector; NMEA 2000 drop cable; Installation instructions; Documentation
Manufacturer	Garmin
Date First Available	April 22, 2016

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Wind Instruments

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