Wind Speed

Temp. 5 10 15 20 25 30 35 40
50 48 40 36 32 30 28 27 26
40 37 28 22 18 16 13 11 10
30 27 16 9 4 0 -2 -4 -6
20 16 4 -5 -10 -15 -18 -20 -21
10 6 -9 -18 -25 -29 -33 -35 -37
0 -5 -21 -36 -39 -44 -48 -49 -53
-10 -15 -33 -45 -53 -59 -63 -67 -69
-20 -26 -46 -58 -67 -74 -79 -82 -85
-30 -36 -58 -72 -82 -88 -94 -98 -99

Beaufort Wind Scale

Number Indication MPH
0 Calm <1
1 Light Airs 1-3
2 Light Breeze 4-7
3 Gentle Breeze 8-12
4 Moderate Breeze 13-18
5 Fresh Breeze 19-24
6 Strong Breeze 25-31
7 Moderate Gale 32-38
8 Fresh Gale 39-46
9 Strong Gale 47-54
10 Whole Gale 55-63
11 Storm 64-72
12-17 Hurricane 73-136