Skip to content Skip to navigation menu
Live Chat
GMI 20 Instrument plus GWS 10 Wind Sensor Clearance

GMI 20 Instrument plus GWS 10 Wind Sensor

Model # 15149594 | Mfg # 010-00747-02

This item is no longer available.

A complete wind system comprising of the new GWS10 masthead unit and a GMI20 multifunction display.

This new Garmin wind sensor offers a real edge and provides the ability to gather wind speed and direction measurements, barometric pressure and air temperature with a single, integrated unit. The Garmin GWS 10 installs with ease – providing data output to your Garmin display via NMEA 2000 cable and bus (which also powers the GWS 10). It’s designed to interface with Garmin's GMI 20 universal instrument display. This "smart" trasducer also adds barometric pressure and air temperatre data - offering weather station capabilities. The wind sensor is designed with elliptical cups, scientifically proven to be most sensitive to wind speed allowing the GWS 10 to measure wind speeds as low as 0.5 knots.

Product Features and Specifications:

  • The GWS 10 features a wind vane for detecting wind direction and an anemometer for wind speed
  • Weather station - provides barometric pressure and air temperature data
  • In combination with the on board dsiplay and other sensors, the GWS 10 offers data such as apparent and true wind angle, apparent and true wind speed, wind VMG, tack heading, ground wind, pressure trend, air temperature, set and drift
  • Compatible with the GMI 10 & GMI 20 via NMEA 2000 or with any compatible manufacture's NMEA 2000-configured chart plotter and display
  • Features 10Hz wind data output to create the smoothest digital needle movement on the market
  • Weight: 9.6oz (0.27kg)
  • Dimensions: 22.6"L x 11"H x 5.5"D (575mm L x 280mm H x 140mm D)
  • NMEA 2000 Load Equivalency Number (LEN): 2
  • Accuracy: Speed ±5%; Angle ±5 %; Air Temp ±2°C; Barometric Pressure ± 3mbar

GMI 20 Instrument plus GWS 10 Wind Sensor

Display Color Color
Display Type Color QVGA
Features Wind

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.


by PowerReviews
Garmin GMI 20 Instrument plus GWS 10 Wind Sensor

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top


I already try to buy two times by the site.But never confirm

By Antenna, always connected

from Brazil

Verified Reviewer

Comments about Garmin GMI 20 Instrument plus GWS 10 Wind Sensor:

For sailing

  • Was this a gift?:
  • No

Displaying review 1

Back to top