19. Navigation Sensors
19.10 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 deg SOG: 8.7 kt
Heading: 45 deg
Wind angle
Apparent:
345 deg
North:
330 deg
Theoretical:
285 deg
19-22
Wind speed
10 kt
5 kt
5kt