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) | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 | 0.4 | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.3 | 0.2 | 0.2 | 0.3 | 0.3 | 0.5 | 0.4 | 0.3 | 0.3 | 0.4 | 0.3 | 0.2 | 0.2 | 0.6 | 0.7 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.4 | 0.4 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Wave direction | WSW | WSW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NW | NW | NNW | NNW | SE | NW | NW | NNW | ESE | NW | NNW | NNW | NNW | NNW | W | W | WNW | NW | NNW | NNW | NNW | NNW | NNW | NW | WNW | NW | NW | NNW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | |
| Wave period (s) | 10.7 | 8.9 | 8.6 | 8.4 | 7.8 | 7.3 | 6.8 | 6.7 | 5.5 | 4 | 3.6 | 4 | 3.9 | 6 | 4 | 3.6 | 4.3 | 3.5 | 5.3 | 5.3 | 4 | 3.9 | 4.5 | 4.2 | 3.9 | 3.7 | 3.5 | 9.2 | 9.4 | 8.2 | 4 | 3.9 | 3.9 | 3.6 | 3.5 | 3.2 | 4.7 | 5.3 | 5.5 | 4.3 | 4.3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.2 | 4 | 3.8 | 3.8 | 3.6 | 3.4 | 3.3 | 3.5 | 3.4 | |
| Wave energy (kJ) | 11 | 14 | 19 | 20 | 18 | 17 | 17 | 19 | 15 | 8 | 6 | 6 | 5 | 8 | 6 | 4 | 4 | 3 | 5 | 4 | 2 | 2 | 3 | 7 | 5 | 4 | 3 | 8 | 10 | 9 | 4 | 6 | 5 | 3 | 3 | 3 | 4 | 3 | 4 | 14 | 16 | 17 | 21 | 22 | 21 | 18 | 14 | 12 | 10 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | |
| Wind speed (km/h) | 15.2 | 10.7 | 11.3 | 13.3 | 22.9 | 29.8 | 29.4 | 22.7 | 20.1 | 19.1 | 16.9 | 15.3 | 18 | 27.1 | 37 | 26 | 33 | 29.8 | 26.4 | 19.6 | 19.8 | 36.6 | 30.3 | 34 | 31.9 | 27.7 | 21.3 | 15.3 | 28.5 | 37.1 | 30.1 | 27 | 32 | 26 | 17.5 | 9.8 | 27.9 | 34.1 | 31.4 | 23.5 | 24.6 | 23.8 | 18.8 | 14.8 | 18.3 | 14.8 | 30.9 | 25.1 | 19.6 | 18.4 | 13.7 | 8.7 | 17.6 | 30 | 29 | 22.1 | |
| Wind direction | NNECross-off | NNECross-off | NNEOffshore | NNWOffshore | NNWOffshore | NNWOffshore | NOffshore | NOffshore | NNEOffshore | NECross-off | ENECross-off | NECross-off | NOffshore | NECross-off | NEBlown out | NECross-off | NECross-off | NECross-off | ENECross-off | NECross-off | NNWOffshore | NNEBlown out | NNEOffshore | NNEOffshore | NNECross-off | NECross-off | NECross-off | NECross-off | NNWOffshore | NBlown out | NNEOffshore | NNEOffshore | NNECross-off | NECross-off | ENECross-off | NNEOffshore | NNWOffshore | NNWOffshore | NOffshore | NOffshore | NOffshore | NOffshore | NNEOffshore | NECross-off | NWCross-off | NNWOffshore | NNEOffshore | ENECross-off | NECross-off | NECross-off | NECross-off | NECross-off | NNWCross-off | NNWOffshore | NNWOffshore | NNWOffshore | |