DESIGN CATEGORIES
10
SPECIFICATIONS
The maximum height of waves is measured from trough to crest; The European regulations use the concept of significant height
of waves (H 1/3).
The wind force (Beaufort scale) is the average actual wind speed over a period of 10 minutes at 10 metres above the sea.
CATEGORIES MAXIMUM WIND MAXIMUM WAVES
Category A
Force 9 Established 47 knots Gusts approximately 61 knots 10 metres
Category B
Force 8 Established 40 knots Gusts approximately 52 knots 8 metres
Category C
Force 6 Established 27 knots Gusts approximately 35 knots 4 metres
Category D
Force 4 Established 16 knots Gusts approximately 23 knots 0,5 metre
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