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Useful Sailing Information

in Knots - -  
0-1 0 Calm 0
1-3
1
Light Air 1/4'
4-6 2 Light Breeze 1/2'
7-10 3 Gentle Breeze 2'
11-16 4 Moderate Breeze 4'
17-21 6 Fresh Breeze 6'
22-27 7 Strong Breeze 10'
28-33 8 Near Gale 14'
34-40 9 Gale 18'
41-47 10 Strong Gale 23'
48-55 11 Storm 29'
56-63 12 Violent Storm 37'
64-Above 13 Hurricane 49'
VHF Frequencies
Useful Knots