Surf spot
Sein Island
Forecast conditions and map view for Sein Island in France, Brittany South. Open the interactive surf map to inspect wind, waves, and nearby spots.
- Country
- France, Brittany South
- Coordinates
- 48.0327, -4.8532

Surf spot
Forecast conditions and map view for Sein Island in France, Brittany South. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | ||
| Wave height (m) | 1.5 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.7 | 1.6 | 1.5 | 1.4 | 1.2 | 1.1 | 1 | 0.9 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.5 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.5 | 0.7 | 0.8 | 1.3 | 1.4 | 1.5 | 1.5 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.4 | 1.3 | 1.2 | 1.1 | 1 | 1 | 0.9 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | |
| Wave direction | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | |
| Wave period (s) | 7.7 | 8.5 | 8.8 | 8.8 | 8.9 | 9 | 8.9 | 8.9 | 8.7 | 8.6 | 8.3 | 8.2 | 8.1 | 8 | 7.8 | 7.7 | 7.5 | 7.3 | 7.3 | 7.2 | 7 | 7 | 8 | 7.5 | 7.3 | 7.3 | 6.9 | 5.9 | 9.4 | 8.4 | 8.7 | 6.9 | 7 | 7.2 | 7.2 | 6.8 | 7 | 7.1 | 7.2 | 7.3 | 7.3 | 7.4 | 7.3 | 7.3 | 7.2 | 7.2 | 7.1 | 7 | 6.9 | 6.8 | 6.8 | 6.7 | 6.5 | 6.5 | 6.5 | 6.5 | |
| Wave energy (kJ) | 281 | 418 | 496 | 508 | 519 | 525 | 480 | 386 | 332 | 270 | 205 | 161 | 130 | 107 | 87 | 72 | 65 | 59 | 54 | 51 | 43 | 41 | 34 | 43 | 41 | 40 | 41 | 32 | 41 | 78 | 101 | 156 | 200 | 224 | 240 | 246 | 254 | 245 | 246 | 246 | 250 | 246 | 230 | 212 | 170 | 147 | 126 | 106 | 88 | 72 | 64 | 57 | 50 | 44 | 41 | 41 | |
| Wind speed (km/h) | 6.8 | 11.6 | 18.8 | 14.3 | 10.4 | 12.4 | 13.4 | 27.6 | 22.9 | 21.7 | 16.1 | 10.8 | 6.9 | 9.2 | 7.4 | 26 | 15.5 | 14.5 | 19.6 | 22.1 | 29.4 | 18.3 | 15.3 | 12.8 | 17.4 | 17.1 | 11.9 | 8.4 | 9.4 | 13.9 | 14.2 | 15.8 | 17.1 | 18.9 | 19.5 | 17.7 | 16.8 | 15.8 | 14.2 | 9.1 | 12.4 | 5.1 | 8 | 12 | 12.6 | 10.5 | 11.8 | 13.4 | 11.5 | 16.3 | 2.3 | 5.6 | 16.2 | 10.2 | 12.7 | 13.5 | |
| Wind direction | NOffshore | NNECross-off | NECross-off | NECross-off | NOffshore | NOffshore | NOffshore | NECross-off | NECross-off | ENECross-off | ENECross-off | ENECross-off | NOffshore | WNWCross-off | NWCross-off | ENECross-off | ECross | ESECross-on | SECross-on | SECross-on | SSEOnshore | SOnshore | SSWOnshore | NWCross-off | NNWCross-off | NOffshore | NNWOffshore | NWCross-off | WCross | WSWCross-on | WSWCross-on | SWCross-on | SWCross-on | SWCross-on | SWCross-on | SSWCross-on | SSWCross-on | SWCross-on | WSWCross-on | SWCross-on | WSWCross-on | SWCross-on | SOnshore | SOnshore | SWCross-on | WCross | NWCross-off | NOffshore | NNEOffshore | NNECross-off | NNEGlassy | WNWCross | WCross | WCross | WCross | WNWCross-off | |