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Logout| File Name | |
| Folder |
| Skipper |
| Commentaires: |
| Bft | Name | Knots | Km/h |
| 0 | Calm | <1 | <1 |
| 1 | Light air | 1 - 3 | 1 - 5 |
| 2 | Light breeze | 4 - 6 | 6 - 11 |
| 3 | Gentle breeze | 7 - 10 | 12 - 19 |
| 4 | Moderate breeze | 11 - 16 | 20 - 28 |
| 5 | Fresh breeze | 17 - 21 | 29 - 38 |
| 6 | Strong breeze | 22 - 27 | 39 - 49 |
| 7 | Moderate Gale | 28 - 33 | 50 - 61 |
| 8 | Fresh Gale | 34 - 40 | 62 - 74 |
| 9 | Strong Gale | 41 - 47 | 75 - 88 |
| 10 | Storm | 48 - 55 | 89 - 102 |
| 11 | Violent storm | 56 - 63 | 103 - 117 |
| 12 | Hurricane | 64 - | 118 - |