| Windkracht | Benaming | m/s | knopen | km/u |
|
|---|---|---|---|---|---|
| 0 | Windstil | <0.2 | < 1 | < 1 | |
| 1 | Zwakke wind | 0.3-1.5 | 1-3 | 1-5 | |
| 2 | Zwakke wind | 1.6-3.3 | 4-6 | 6-11 | |
| 3 | Matige wind | 3.4-5.4 | 7-10 | 12-19 | |
| 4 | Matige wind | 5.5-7.9 | 11-16 | 20-28 | |
| 5 | Vrij krachtige wind | 8.0-10.7 | 17-21 | 29-38 | |
| 6 | Krachtige wind | 10.8-13.8 | 22-27 | 39-49 | |
| 7 | Harde wind | 13.9-17.1 | 28-33 | 50-61 | |
| 8 | Stormachtige wind | 17.2-20.7 | 34-40 | 62-74 | |
| 9 | Storm | 20.8-24.4 | 41-47 | 75-88 | |
| 10 | Zware storm | 24.5-28.4 | 48-55 | 89-102 | |
| 11 | Zeer zware storm | 28.5-32.6 | 56-63 | 103-117 | |
| 12 | Orkaan | >32.6 | >63 | >117 |
