Bft. | Windform | Knoten | km/h |
---|---|---|---|
0 | Windstille | 0-1 kt | 0-2 km/h |
1 | leichter Zug | 2-3 kt | 3-6 km/h |
2 | leichte Brise | 4-7 kt | 8-13 km/h |
3 | schwache Brise | 8-11 kt | 13-20 km/h |
4 | mäßige Brise | 12-15 kt | 21-28 km/h |
5 | frische Brise | 16-21 kt | 29-39 km/h |
6 | starker Wind | 22-27 kt | 40-50 km/h |
7 | steifer Wind | 28-33 kt | 51-61 km/h |
8 | stürmischer Wind | 34-40 kt | 62-74 km/h |
9 | Sturmwind | 41-47 kt | 75-87 km/h |
10 | schwerer Sturm | 48-55 kt | 88-102 km/h |
11 | okanartiger Sturm | 56-63 kt | 103-117 km/h |
12 | Orkan | >63 kt | >117 km/h |