Beaufort Wind Scale


Beaufort
wind scale
KnotsMPHWind descriptive
terms
Sea descriptive
terms
0<1<1CalmCalm (glassy)
11-31-3Light airsCalm (rippled)
24-64-7Light breezeSmooth (wavelets)
37-108-12Gentle breezeSlight
411-1613-18Moderate breezeSlight - moderate
517-2119-24Fresh breezeModerate
622-2725-31Strong breezeRough
728-3332-38Near galeRough - Very rough
834-4039-46GaleVery rough - High
941-4747-54Strong galeHigh
1048-5555-63StormVery high
1156-6364-73Violent stormVery high
1264+74+HurricanePhenomenal