NMEA 2000 Weather Data


Data Type	PGN Data Required	Typical Sender
Barometer	130310 and 130311: Environmental parameters (old) or 130314: Actual pressure	Barometric pressure sensor
Air temperature	130310 and 130311: Environmental parameters (old) 130312: Temperature (old) or 130316: Temperature, extended range	Air temperature sensor
Humidity	130311: Environmental parameters or 130313: Humidity	Humidity sensor
Wind speed	127250: Vessel heading 128259: Water speed 129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor, a water speed sensor, a heading sensor, and a GPS antenna
Wind speed (less-accurate¹)	129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor and a GPS Antenna
Wind speed (less-accurate²)	127250: Vessel heading 128259: Water speed 130306: Wind data	A wind sensor, a water speed sensor, and a heading sensor
Wind direction	127250: Vessel heading 128259: Water speed 129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor, a water speed sensor, a heading sensor, and a GPS antenna
Wind direction (less-accurate³)	129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor and a GPS Antenna
Wind direction (less-accurate⁴)	127250: Vessel heading 128259: Water speed 130306: Wind data	A wind sensor, a water speed sensor, and a heading sensor
Cardinal wind direction	127250: Vessel heading 128259: Water speed 129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor, a water speed sensor, a heading sensor, and a GPS antenna
Cardinal wind direction (less-accurate⁵)	129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor and a GPS Antenna
Cardinal wind direction (less-accurate⁶)	127250: Vessel heading 128259: Water speed 130306: Wind data	A wind sensor, a water speed sensor, and a heading sensor
Beaufort scale	127250: Vessel heading 128259: Water speed 129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor, a water speed sensor, a heading sensor, and a GPS antenna
Beaufort scale (less-accurate⁷)	129026: COG/SOG 129029: GNSS position 130306: Wind data	A wind sensor and a GPS Antenna
Beaufort scale (less-accurate⁸)	127250: Vessel heading 128259: Water speed 130306: Wind data	A wind sensor, a water speed sensor, and a heading sensor
Sunrise/sunset	129026: COG/SOG 29029: GNSS position	GPS antenna

¹ If a heading sensor and water speed sensor are not present, a less-accurate reading can be calculated using only a wind sensor and GPS antenna.

² If a GPS antenna is not present, a less-accurate reading can be calculated using only a wind sensor, a water speed sensor, and a heading sensor.

³ If a heading sensor and water speed sensor are not present, a less-accurate reading can be calculated using only a wind sensor and GPS antenna.

⁴ If a GPS antenna is not present, a less-accurate reading can be calculated using only a wind sensor, a water speed sensor, and a heading sensor.

⁵ If a heading sensor and water speed sensor are not present, a less-accurate reading can be calculated using only a wind sensor and GPS antenna.

⁶ If a GPS antenna is not present, a less-accurate reading can be calculated using only a wind sensor, a water speed sensor, and a heading sensor.

⁷ If a heading sensor and water speed sensor are not present, a less-accurate reading can be calculated using only a wind sensor and GPS antenna.

⁸ If a GPS antenna is not present, a less-accurate reading can be calculated using only a wind sensor, a water speed sensor, and a heading sensor.

Technical Reference for Garmin® NMEA 2000® Products

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NMEA 2000 Weather Data