NMEA 2000 Weather Data
Data Type
PGN Data Required
Typical Sender
Barometer
130310 and 130311: Environmental parame
ters (old)
or
130314: Actual pressure
Barometric pressure sensor
Air temperature
130310 and 130311: Environmental parame
ters (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-
accurate
1
)
129026: COG/SOG
129029: GNSS position
130306: Wind data
A wind sensor and a GPS Antenna
Wind speed (less-
accurate
2
)
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-
accurate
1
)
129026: COG/SOG
129029: GNSS position
130306: Wind data
A wind sensor and a GPS Antenna
Wind direction (less-
accurate
2
)
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-accurate
1
)
129026: COG/SOG
129029: GNSS position
A wind sensor and a 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.
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