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Lostmarc'h Surf Forecast
/ Brittany – Finistere (75 surf breaks) /
Surf Forecasts:
Lostmarc'h surfForecast / Brittany – Finistere / France
48hr Weather and Surf, issued 7 am Sunday 10 May 2026 CESTForecast update in hr min s Forecast update imminent
Lostmarc'h surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lostmarc'h sea temperature is
14.5° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Lostmarc'h today?
The current surf forecast for Lostmarc'h at 11AM is: 1.5m 7s primary swell from a North direction and 0.2m 11s secondary swell from a West direction, 0.1m 10s secondary swell from a Southwest direction (forecast issued at 07:00am May 10). The wind direction is predicted to be offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 3.5ft (1.1m) | 8s |
| Afternoon (10 May) | 3ft (0.9m) | 8s |
| Evening (10 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Very mild (max 13°C on Sun morning, min 11°C on Sun night). Winds decreasing (strong winds from the NE on Sun afternoon, light winds from the NNW by Mon night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 8 | NNW 8 | N 7 | NNW 8 | NNW 9 | NNW 8 | SW 8 | SW 9 | NNW 8 | N 7 | N 7 | N 7 | NNW 6 | SW 8 | SW 8 | NW 6 | NW 5 | NW 5 | SW 8 | NW 5 | NW 4 | NW 4 | NW 5 | NW 5 | |
76 | 146 | 239 | 101 | 111 | 67 | 25 | 26 | 110 | 181 | 161 | 107 | 64 | 35 | 34 | 24 | 27 | 28 | 21 | 25 | 19 | 34 | 42 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | |
High Tide | 11:47AM3.76m | 00:19AM3.98m | 1:07PM3.91m | 1:31AM4.19m | 2:11PM4.23m | |||||||||||||||||||
Low Tide | 5:39AM1.78m | 6:05PM1.89m | 6:51AM1.66m | 7:17PM1.73m | 7:55AM1.38m | 8:19PM1.42m | ||||||||||||||||||
 |  | |  | | |  | | |  | | |  | |  | | | | | | | | | | |
 | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | 6:41 |
 | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | 9:46 |
— | — | — | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 11 | 12 |
7 | 6 | 7 | 6 | 3 | 3 | 2 | 3 | 4 | 4 | 5 | 7 | 5 | 6 | 6 | 8 | 9 | 9 | 9 | 8 | 9 | 8 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | W 11 | NNW 8 | NNW 9 | NNW 8 | SW 8 | SW 9 | NNW 8 | SSW 8 | SW 8 | SW 9 | SW 8 | SW 8 | SW 8 | NW 6 | NW 5 | NW 5 | NW 5 | SW 8 | SW 8 | SW 8 | WNW 12 | WNW 12 |
 kJ | 76 | 146 | 9 | 101 | 111 | 67 | 25 | 26 | 110 | 27 | 34 | 37 | 35 | 35 | 34 | 19 | 27 | 28 | 21 | 17 | 10 | 10 | 26 | 30 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | SW 10 | SW 9 | SW 9 | SW 8 | SSE 5 | SSE 5 | SW 8 | SE 5 | W 10 | W 10 | NW 8 | NW 8 | NW 7 | SW 8 | N 5 | SW 8 | SW 8 | WNW 13 | WNW 12 | WNW 12 | SW 8 | SSW 8 |
| kJ | 21 | 21 | 4 | 13 | 19 | 25 | 5 | 5 | 18 | 1 | 2 | 2 | 3 | 10 | 9 | 24 | 9 | 17 | 17 | 16 | 15 | 14 | 9 | 6 |
Swell 3 Height (m) Direction Period (s) | SSE 4 | SSE 4 | SSE 4 | W 11 | SSE 5 | SSE 5 | W 10 | W 10 | SSE 5 | W 10 | W 10 | S 6 | W 10 | W 10 | W 10 | NW 6 | SW 8 | W 9 | NW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 |
| kJ | 2 | 2 | 2 | 9 | 2 | 5 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 11 | 17 | 2 | 7 | 12 | 12 | 12 | 12 | 11 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NE 4 | N 7 | NE 8 | NE 8 | NNE 6 | NNE 8 | NNE 8 | NE 4 | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 5 | N 5 | — | — | — | NW 5 | NW 4 | NW 4 | NW 5 | NW 5 |
| kJ | 11 | 28 | 239 | 210 | 322 | 101 | 204 | 196 | 20 | 181 | 161 | 107 | 64 | 48 | 37 | 19 | — | — | — | 25 | 19 | 34 | 42 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 124 | 264 | 43 | 369 | 510 | 475 | 226 | 226 | 517 | 257 | 283 | 26 | 264 | 286 | 218 | 8 | 8 | 53 | 218 | 218 | 527 | 519 | 519 | 523 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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