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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 pm Saturday 09 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
14.4° C
(Which is 1.8°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 1AM is: 0.3m 11s primary swell from a West-northwest direction and 0.4m 8s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 09). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 3.5ft (1.0m) | 7s |
| Afternoon (10 May) | 2.5ft (0.8m) | 8s |
| Evening (10 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun night. Very mild (max 17°C on Sat night, min 10°C on Sun night). Winds decreasing (fresh winds from the NE on Sun night, light winds from the N by Mon night). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | WNW 12 | WNW 11 | NNW 8 | NNW 7 | W 11 | NNW 8 | NNW 9 | NNW 9 | SW 8 | NNW 8 | NNW 8 | N 8 | N 7 | N 7 | NNW 6 | SW 8 | SW 8 | SW 8 | SW 8 | NNW 5 | NW 5 | NW 5 | |
72 | 71 | 45 | 24 | 75 | 117 | 9 | 99 | 79 | 86 | 25 | 83 | 105 | 163 | 147 | 107 | 64 | 32 | 32 | 17 | 23 | 31 | 18 | 16 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | off | cross-off | off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | |
High Tide | 11:01PM3.96m | 11:47AM3.76m | 00:19AM3.98m | 1:07PM3.91m | 1:31AM4.19m | |||||||||||||||||||
Low Tide | 4:52PM1.87m | 5:39AM1.78m | 6:05PM1.89m | 6:51AM1.66m | 7:17PM1.73m | 7:55AM1.38m | ||||||||||||||||||
 |  |  |  |  |  |  | | |  |  | | |  |  | | | | | | | | | | |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — |
 | — | 9:42 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | 9:45 |
4 | 5 | — | — | — | — | 1 | 1 | 5 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 14 | 13 | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 10 | 11 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 |
17 | 15 | 10 | 8 | 7 | 7 | 8 | 7 | 5 | 3 | 4 | 4 | 4 | 6 | 6 | 7 | 7 | 6 | 6 | 8 | 9 | 8 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 5 | W 12 | WNW 12 | NNW 8 | NNW 8 | NNW 7 | SSE 5 | NNW 8 | NNW 9 | NNW 9 | SW 8 | NNW 8 | NNW 8 | SSW 6 | SSW 8 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | NW 5 | SW 8 | NNE 5 | SW 8 |
 kJ | 18 | 71 | 45 | 23 | 75 | 117 | 5 | 99 | 79 | 86 | 25 | 83 | 105 | 12 | 27 | 37 | 33 | 32 | 32 | 17 | 23 | 18 | 7 | 11 |
Swell 2 Height (m) Direction Period (s) | W 12 | SSE 5 | SSE 5 | WNW 11 | W 11 | W 11 | W 11 | SSE 5 | SW 9 | SW 8 | SSE 5 | SW 9 | SW 9 | SW 8 | W 10 | W 10 | NW 8 | NW 8 | NW 7 | NW 7 | N 5 | W 9 | SW 8 | N 4 |
| kJ | 72 | 9 | 4 | 24 | 21 | 21 | 9 | 5 | 19 | 25 | 3 | 27 | 19 | 18 | 2 | 2 | 3 | 10 | 9 | 7 | 12 | 2 | 11 | 2 |
Swell 3 Height (m) Direction Period (s) | NE 6 | NW 8 | W 8 | SSE 4 | SSE 4 | SSE 4 | SW 10 | SW 9 | SSE 5 | SSE 5 | W 10 | SSE 5 | SSW 6 | W 10 | SW 8 | W 10 | W 10 | S 5 | SW 19 | W 9 | SW 8 | NW 14 | NW 13 | WNW 13 |
| kJ | 8 | 2 | 5 | 2 | 2 | 2 | 4 | 13 | 2 | 2 | 2 | 6 | 7 | 2 | 11 | 2 | 2 | 1 | 15 | 2 | 17 | 7 | 7 | 16 |
Wind waves Height (m) Direction Period (s) | — | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NE 4 | NNE 7 | NE 7 | NNE 5 | NE 5 | NNE 8 | NE 4 | NE 4 | N 8 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | N 5 | NNW 5 | NW 5 | NW 5 |
| kJ | — | 13 | 33 | 41 | 19 | 15 | 208 | 156 | 119 | 91 | 251 | 43 | 25 | 163 | 147 | 107 | 64 | 48 | 31 | 35 | 13 | 31 | 18 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 22 | 92 | 124 | 26 | 43 | 520 | 519 | 517 | 186 | 226 | 199 | 2 | 2 | 26 | 50 | 50 | 490 | 53 | 453 | 32 | 510 | 532 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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