How to connect Garmin Boating App | Help

Garmin Boating App support NMEA0183 in TCP and UDP mode with the following data*:
- DBT (Depth below transducer)
- DPT (Depth)
- GGA (GNSS Position)
- GLL (GNSS Position)
- RMC (Minimum GPS sentence includes Position/Time/COG/SOG)
- VTG (COG and SOG)
- ZDA (Time and Date)
- VDM (AIS - Received Data from other vessels)
- VDO (AIS - Your own vessels information)
In order to add a connection you need to open Menu and go to Paired Devices and click the "+" Button. Please see following screenshots.

Step 1 - Paired devices

Step 2 - Click "+" Button

Step 3 - Click on add device

Step 4 - Add settings for connections, example shows NMEA0183 with TCP mode within BoatHub Wi-Fi

Step 5 - Succesfully paired with your device
*supported NMEA0183 sentences verified in available App version in December 2025