Wind Warnings
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Storm and Hurricane Forces
Storm force wind warning 48 to 63 knots.
Beaufort NumberDescriptionWind SpeedWave HeightSea ConditionsImage
10Storm48-35 kn10-13 mVery high waves. Long overhanging crests. Big patches of foam in dense white streaks. The sea looks white. Heavy tumbling sea. Visibility affected by spray.
Beaufort NumberDescriptionWind SpeedWave HeightSea ConditionsImage
11Violent Storm56-63 kn11.5-16 mExceptionally high waves. Very large patches of foam cover much of the sea surface. Very large amounts of airborne spray severely reduce visibility.
Hurrican force wind warning 64 knots or more.
Beaufort NumberDescriptionWind SpeedWave HeightSea ConditionsImage
12Hurricane Force64 kn +14 m +Huge waves. Sea is all white with foam and spray. Air is filled with spray, greatly reducing visibility.
