msg.payload.seaState - chrisadie/node-red-contrib-ais-decoder GitHub Wiki

Name msg.payload.seaState
Type Number (integer)
Text version msg.payload.seaState_text
Valid message types 8 (DAC=1,FID=11)
Always present No
Description Sea state according to the Beaufort scale. See the following table.
Value Meaning
0 Flat.
1 Ripples without crests.
2 Small wavelets. Crests of glassy appearance, not breaking.
3 Large wavelets. Crests begin to break; scattered whitecaps.
4 Small waves.
5 Moderate (1.2 m) longer waves. Some foam and spray.
6 Large waves with foam crests and some spray.
7 Sea heaps up and foam begins to streak.
8 Moderately high waves with breaking crests forming spindrift. Streaks of foam.
9 High waves (6-7 m) with dense foam. Wave crests start to roll over. Considerable spray.
10 Very high waves. The sea surface is white and there is considerable tumbling. Visibility is reduced.
11 Exceptionally high waves.
12 Huge waves. Air filled with foam and spray. Sea completely white with driving spray. Visibility greatly reduced.