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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 Wednesday 13 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
14.6° 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 8PM is: 3.0m 9s primary swell from a Northwest direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 01:00pm May 13). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 6.5ft (2.0m) | 6s |
| Afternoon (13 May) | 8ft (2.5m) | 8s |
| Evening (13 May) | 10ft (3.0m) | 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 9mm), mostly falling on Thu night. Very mild (max 13°C on Fri afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the WNW on Wed afternoon, light winds from the WNW by Sat morning). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 7 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | |
539 | 952 | 1186 | 1201 | 1247 | 1405 | 1555 | 1414 | 1312 | 1162 | 1050 | 899 | 736 | 833 | 850 | 715 | 582 | 468 | 423 | 349 | 284 | 175 | 157 | 130 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | |
High Tide | 3:03PM4.63m | 3:21AM4.92m | 3:50PM5.04m | 4:09AM5.28m | 4:34PM5.40m | 4:55AM5.56m | ||||||||||||||||||
Low Tide | 8:49AM1.03m | 9:11PM1.03m | 9:38AM0.66m | 10:00PM0.63m | 10:24AM0.34m | 10:46PM0.28m | ||||||||||||||||||
 |  |  | |  | | | |  | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — |
 | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:50 | — | — | — | 9:51 |
— | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 10 | 12 | 13 | 12 | 11 | 10 | 10 | 10 | 10 |
3 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 3 | 3 | 2 | 3 | 6 | 7 | 5 | 5 | 4 | 4 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | NW 9 | SW 13 | SW 13 | SW 13 | SW 13 | WNW 8 | WNW 8 | WNW 8 |
 kJ | 2 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 582 | 7 | 7 | 7 | 7 | 175 | 157 | 130 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 7 | SW 7 | — | — | SW 7 | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | — | — | SW 13 | SW 13 | N 6 | N 6 |
| kJ | 10 | 2 | 2 | — | — | 2 | — | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 7 | 7 | — | — | 7 | 7 | 26 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | SW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | — | NW 8 | NW 8 | NW 8 | NW 8 | N 6 | — | — |
| kJ | 539 | 952 | 1186 | 1201 | 1247 | 1405 | 1555 | 1414 | 1312 | 1162 | 1050 | 899 | 736 | 833 | 850 | 715 | — | 468 | 423 | 349 | 284 | 39 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 520 | 851 | 851 | 520 | 104 | 104 | 517 | 229 | 348 | 875 | 926 | 551 | 52 | 52 | 52 | 52 | 52 | 7 | 84 | 104 | 18 | 13 | 2 | 19 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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