Too little wind to ride.
| Tue 29 September | Wed 30 September | Thu 1 October · coarse model | Fri 2 October · coarse model | Sat 3 October · coarse model | Sun 4 October · coarse model | Mon 5 October · coarse model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| GO | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | Go | Go | Go | Marginal | Marginal | Marginal | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go | No-go |
| Wind | 38 | 57 | 79 | 811 | 812 | 914 | 1016 | 1116 | 1217 | 1218 | 1218 | 1318 | 1420 | 1119 | 1115 | 1015 | 814 | 913 | 1013 | 813 | 411 | 711 | 612 | 69 | 510 | 47 | 56 | 710 | 814 | 1220 | 917 | 512 | 710 | 610 | 1013 | 1318 | 1419 | 1522 | 1320 | 1419 | 1419 | 1419 | 1219 | 1317 | 1217 | 1117 | 1014 | 814 | 812 | 712 | 611 | 59 | 47 | 46 | 57 | 58 | 58 | 47 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 68 | 59 | 46 | 24 | 12 | 12 | 23 | 35 | 35 | 36 | 46 | 35 | 35 | 24 | 24 | 24 | 34 | 34 | 35 | 35 | 45 | 46 | 46 | 47 | 57 | 58 | 58 | 58 | 58 | 58 | 69 | 69 | 58 | 57 | 46 | 46 | 47 | 48 | 47 | 47 | 46 | 57 | 69 | 710 | 35 | 46 | 68 | 68 | 68 | 79 | 811 | 1013 | 1114 | 1015 | 1015 | 914 | 914 | 913 | 812 | 811 | 710 | 69 | 58 | 57 | 46 | 46 | 46 | 35 | 35 | 35 | 35 | 45 | 56 | 68 | 79 | 811 | 912 | 1013 | 1014 | 1014 | 913 | 812 | 711 |
| Sky | cloudy | partly cloudy | partly cloudy | partly cloudy | cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | cloudy | cloudy | rain | rain | rain | cloudy | rain | rain | rain | cloudy | cloudy | rain | rain | cloudy | cloudy | cloudy | cloudy | cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | sunny | sunny | partly cloudy | sunny | sunny | sunny | cloudy | cloudy | cloudy | cloudy | cloudy | partly cloudy | clear night | clear night | clear night | clear night | clear night | cloudy | sunny | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | sunny | sunny | sunny | sunny | sunny | sunny | sunny | sunny | sunny | partly cloudy | partly cloudy | partly cloudy | cloudy | cloudy | cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | partly cloudy | sunny | sunny | sunny | sunny | sunny | sunny | clear night | clear night | clear night | clear night | clear night | clear night | clear night | clear night | clear night | clear night | clear night | sunny | sunny | sunny | sunny | sunny | sunny | sunny | cloudy | cloudy | cloudy | partly cloudy | partly cloudy | partly cloudy | cloudy | cloudy | cloudy |
| individual models per hour, tap to collapse | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AROME | 3 | 5 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 12 | 12 | 13 | 14 | 11 | 11 | 10 | 8 | 9 | 10 | 8 | 4 | 7 | 6 | 6 | 5 | 4 | 5 | 7 | 8 | 12 | 9 | 5 | 7 | 6 | 10 | 13 | 14 | 15 | 13 | 14 | 14 | 14 | 12 | 13 | 12 | 11 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| ICON | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 16 | 12 | 13 | 13 | 14 | 9 | 10 | 10 | 8 | 9 | 10 | 9 | 9 | 7 | 7 | 7 | 8 | 10 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 9 | 10 | 8 | 8 | 7 | 6 | 5 | 4 | 4 | 5 | 5 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 4 | 2 | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| GFS | 9 | 13 | 10 | 9 | 11 | 13 | 13 | 13 | 14 | 13 | 14 | 13 | 14 | 17 | 15 | 13 | 11 | 11 | 10 | 9 | 9 | 7 | 6 | 7 | 5 | 1 | 1 | 3 | 2 | 4 | 11 | 10 | 12 | 9 | 10 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 8 | 7 | 7 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 3 | 5 | 6 | 5 | 5 | 4 | 2 | 1 | 3 | 5 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 3 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 4 | 6 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 2 |
| Direction | S | SSE | SE | SE | SE | ESE | ESE | SSE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | S | S | SSW | WNW | SW | SW | SW | SSE | SSE | SE | SSE | WNW | WSW | SSW | S | S | SSW | SW | SSW | SW | SW | SW | WSW | WSW | WSW | WSW | W | W | WSW | W | W | W | W | W | WSW | SSW | SE | SE | SE | ESE | ESE | ESE | SE | SE | ESE | ESE | ESE | ESE | ESE | SE | SE | SSE | SSE | SSE | SSE | NNE | NNE | NNE | NE | ENE | E | E | E | E | E | ESE | ESE | SE | SE | SSE | S | S | SSW | SW | WSW | WSW | W | WNW | WNW | NW | NW | NW | NW | NW | NW | NNW | NNW | N | N | NNE | NE | ENE | ENE | ENE | E | ENE | NE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | E | E | E | E | ESE | ESE | E | E | E | ENE | ENE | NE | NE | NE | NE | NE | NE | ENE | ENE | ENE |
| Kite | – | – | – | – | – | – | – | – | 12m | 12m | 12m | 12m | 12m | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 12m | – | – | – | – | – | 12m | 12m | 12m | 12m | 12m | 12m | 12m | 12m | 12m | 12m | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Waves | 0.26 | 0.26 | 0.24 | 0.24 | 0.26 | 0.28 | 0.3 | 0.32 | 0.36 | 0.38 | 0.42 | 0.44 | 0.48 | 0.48 | 0.46 | 0.46 | 0.44 | 0.44 | 0.42 | 0.38 | 0.34 | 0.3 | 0.28 | 0.26 | 0.24 | 0.22 | 0.22 | 0.2 | 0.2 | 0.18 | 0.18 | 0.2 | 0.24 | 0.26 | 0.28 | 0.32 | 0.34 | 0.36 | 0.4 | 0.42 | 0.48 | 0.52 | 0.58 | 0.6 | 0.62 | 0.64 | 0.64 | 0.62 | 0.62 | 0.58 | 0.56 | 0.52 | 0.48 | 0.46 | 0.42 | 0.4 | 0.38 | 0.36 | 0.34 | 0.3 | 0.28 | 0.26 | 0.24 | 0.22 | 0.22 | 0.2 | 0.2 | 0.2 | 0.18 | 0.18 | 0.18 | 0.16 | 0.16 | 0.16 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.1 | 0.1 | 0.1 | 0.12 | 0.12 | 0.14 | 0.18 | 0.2 | 0.2 | 0.18 | 0.18 | 0.16 | 0.16 | 0.14 | 0.14 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.14 | 0.14 | 0.16 | 0.18 | 0.18 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.18 | 0.18 | 0.16 | 0.16 | 0.14 | 0.16 | 0.16 | 0.18 | 0.18 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.18 | 0.18 | 0.16 | 0.16 | 0.14 | 0.14 | 0.12 | 0.12 | 0.12 | 0.1 | 0.1 |
| Current | slack | 0.5 | 0.6 | 0.6 | 0.6 | 0.5 | 0.9 | 1.5 | 1.1 | 0.4 | slack | 0.3 | 0.3 | 0.4 | 0.6 | 0.6 | 0.6 | 0.5 | 0.7 | 1.3 | 1.2 | 0.6 | slack | slack | slack | 0.4 | 0.7 | 0.8 | 0.6 | 0.5 | 0.5 | 1.0 | 1.2 | 0.7 | slack | slack | slack | slack | 0.6 | 0.7 | 0.6 | 0.7 | 0.6 | 0.8 | 1.2 | 0.9 | slack | slack | slack | slack | 0.5 | 0.8 | 0.7 | 0.5 | 0.5 | 0.5 | 1.0 | 1.0 | 0.4 | slack | slack | slack | 0.3 | 0.6 | 0.6 | 0.4 | 0.3 | 0.3 | 0.7 | 1.1 | 0.6 | slack | 0.3 | slack | 0.3 | 0.5 | 0.7 | 0.5 | 0.4 | 0.3 | 0.3 | 0.8 | 0.7 | slack | slack | slack | 0.3 | 0.3 | 0.7 | 0.6 | 0.3 | slack | slack | 0.5 | 0.7 | 0.4 | 0.3 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.4 | 0.3 | 0.3 | slack | 0.6 | 0.5 | slack | slack | 0.3 | 0.3 | 0.4 | 0.6 | 0.4 | 0.3 | 0.3 | slack | 0.4 | 0.6 | 0.3 | slack | 0.3 | 0.4 | 0.3 | 0.5 | 0.5 | 0.3 | 0.3 | 0.4 | slack | 0.5 | 0.4 | slack | slack | 0.3 | slack | 0.3 | 0.4 | 0.3 | slack | 0.4 | 0.4 | 0.3 | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 |
| Water | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Log your sessions; that is how Windulu gets to know you.
The advice is a tool. You remain responsible for your own safety.
When the buoys are in place, kite lane 2 (80 by 300 m) opposite Le Ponant and groyne 1 is reserved for kite and other kite-powered sports; kite lane 1 by the slipway in the south may also be used. In the lanes, transit only. Outside kite zones and kite lanes, a 5-knot speed limit applies within 300 m of the shoreline. Source: préfecture maritime, arrêté 56/2026.
The open water at Le Havre faces SW (229°). The safest wind directions to get on the water here are south, southwest and west (onshore or cross-onshore). With the wind from the north, east, southeast and northwest, it runs cross to cross-offshore: doable, but mind your position and don't go alone. With the wind from the northeast, it blows offshore and is dangerous: you'll be pushed off the beach onto open water (no-go).