| Windtabel | ||||
|---|---|---|---|---|
| Bft. | m/s | knopen | km/u | benaming |
| 0 | 0 - 0,2 | < 1 | < 1 | windstil |
| 1 | 0,3-1,5 | 1 - 3 | 1 - 5 | zwakke wind |
| 2 | 1,6-3,3 | 4 - 6 | 6 - 11 | zwakke wind |
| 3 | 3,4-5,4 | 7 - 10 | 12- 19 | matige wind |
| 4 | 5,5-7,9 | 11- 16 | 20- 28 | matige wind |
| 5 | 8- 11 | 17- 21 | 29- 38 | vrij krachtige wind |
| 6 | 11- 14 | 22- 27 | 39- 49 | krachtige wind |
| 7 | 14- 17 | 28- 33 | 50- 61 | harde wind |
| 8 | 17- 21 | 34- 40 | 62- 74 | stormachtige wind |
| 9 | 21- 24 | 41- 47 | 75- 88 | storm |
| 10 | 24- 28 | 48- 55 | 89-102 | zware storm |
| 11 | 28- 33 | 56- 63 | 103-117 | zeer zware storm |
| 12 | >33 | >63 | >117 | orkaan |
| Vuistregel: 1 m/s = 2 knopen = 4 km/u | ||||
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