Garmin GMI 40 Wind System c/w Wireless gWind2All data on deck
GMI 40 is the compact, easy-to-use multipurpose marine instrument that provides real-time data from your compatible devices on its high-resolution touchscreen display.
High-resolution 4.3″ touchscreen display
Easily connects to onboard sensors and engines
Supports real-time wind, speed, depth, heading, engine, fuel data and more from your compatible devices
Integrates with NMEA 2000® and Garmin BlueNet™ networks
Software updates via ActiveCaptain® smartphone app
Wirelessly shares data to your Garmin marine smartwatch
What you'll love
Sleek and streamlined
This modern touchscreen display has an intuitive interface and edge-to-edge glass that complements the look of your Garmin chartplotters.
Completely integrated
As an NMEA 2000 certified device, your GMI 40 marine instrument integrates smoothly with compatible systems across your boat.
Simple yet customisable
Flexible gauge sets and page layouts let you place the data you need exactly where you want it.
A network you can trust
Garmin BlueNet offers streamlined connectivity with compatible Garmin devices for full-system integration.
Seamless data
See the shift before you feel it with easy-to-read real-time wind, speed, depth and heading insights from your compatible devices.
Simplified engine data
See engine and fuel data from your compatible devices at a glance to easily monitor levels and optimise performance.
In the Box
GMI™ 40 marine instrument
gWind™ Wireless 2 wind sensor
For the NMEA 2000® network: 2 m backbone/drop cable, 2 T-connectors, power cable and terminators
Mounting hardware
Documentation | 
