Wind Sensor - Furuno FEA-2807 Operator's Manual

19.11 Wind Sensor

ECDIS can display and output wind data in the following three formats:
Apparent: Wind meter-measured wind speed and direction.
Wind angle reference: Heading
North: True wind angle, true wind speed
Wind angle reference: True North
Theoretical: True wind angle, true wind speed
Wind angle reference: Heading
The illustration below shows wind speed and direction with given ship data.
The wind values are as shown below.
Ship information:
COG: 60° SOG: 8.7 kn
Heading: 45°
Wind angle Wind speed
Apparent: 345°
North: 330°
Theoretical: 285°
Wind from NNW (330°)
Wind Speed
(North/Theoretical: 5.0 kn)
Wind Angle
(Theoretical: 285°)
10 kn
5 kn
5 kn
North
True Wind
Wind Angle
(North: 330°)
19. Navigation Sensors
Wind Angle
(Apparent: 345°)
Wind speed
(apparent: 10 kn)
Apparent Wind
Heading
Ship's Speed
(SOG: 8.7 kn)
Angle (reference North)
19-19