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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 1 pm Thursday 14 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 1.5°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 8PM is: 2.5m 9s primary swell from a Northwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 01:00pm May 14). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 10ft (3.0m) | 9s |
| Afternoon (14 May) | 10ft (3.0m) | 9s |
| Evening (14 May) | 8ft (2.5m) | 9s |
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 6mm), mostly falling on Sat night. Very mild (max 13°C on Sat afternoon, min 10°C on Thu afternoon). Winds decreasing (strong winds from the NNW on Thu afternoon, light winds from the NW by Fri night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 8 | WNW 8 | W 13 | W 13 | WNW 15 | |
1414 | 1283 | 1124 | 965 | 868 | 838 | 813 | 813 | 730 | 569 | 470 | 324 | 231 | 158 | 123 | 113 | 105 | 99 | 121 | 96 | 94 | 92 | 91 | 186 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | on | on | on | on | on | on | cross | cross | cross | |
High Tide | 3:50PM5.04m | 4:09AM5.28m | 4:34PM5.40m | 4:55AM5.56m | 5:18PM5.66m | 5:41AM5.70m | ||||||||||||||||||
Low Tide | 9:38AM0.66m | 10:00PM0.63m | 10:24AM0.34m | 10:46PM0.28m | 11:09AM0.12m | 11:33PM0.03m | ||||||||||||||||||
 | | | |  |  | |  | | | |  | | | |  | | | | | |  |  | | |
 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — |
 | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:51 | — | — | — | 9:52 |
1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | |
Temp °C | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 11 |
2 | 2 | 1 | 2 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 4 | 4 | 4 | 6 | 7 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 15 | WNW 8 | WNW 7 | WNW 7 | WNW 7 |
 kJ | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 158 | 123 | 113 | 105 | 99 | 121 | 43 | 94 | 91 | 91 | 111 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | — | — | — | SW 13 | SW 13 | N 6 | N 5 | N 6 | N 5 | N 5 | N 5 | WNW 14 | W 13 | W 13 | WNW 15 |
| kJ | — | — | — | — | 8 | 8 | 8 | 8 | 7 | — | — | — | 7 | 7 | 26 | 14 | 9 | 5 | 2 | 2 | 41 | 92 | 90 | 186 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | SW 13 | SW 13 | W 16 | W 16 | S 13 | — | — | WNW 16 | WNW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 5 | 20 | 3 | — | — | 51 | 119 |
Wind waves Height (m) Direction Period (s) | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | N 6 | — | — | — | — | W 8 | WNW 8 | — | — | — | — |
| kJ | 1414 | 1283 | 1124 | 965 | 868 | 838 | 813 | 813 | 730 | 569 | 470 | 324 | 231 | 23 | — | — | — | — | 76 | 96 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 351 | 517 | 923 | 104 | 52 | 52 | 52 | 7 | 52 | 104 | 104 | 202 | 18 | 13 | 18 | 18 | 52 | 45 | 520 | 85 | 18 | 19 | 9 | 7 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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