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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 Friday 15 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
14.3° C
(Which is 1.3°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 2AM is: 1.4m 6s primary swell from a Northwest direction and 0.1m 13s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3.5ft (1.0m) | 8s |
| Afternoon (16 May) | 4ft (1.2m) | 8s |
| Evening (16 May) | 4ft (1.2m) | 7s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon morning. Very mild (max 13°C on Sat afternoon, min 10°C on Sat morning). Winds increasing (light winds from the WNW on Fri night, fresh winds from the SSW by Mon afternoon). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 8 | NW 8 | NW 7 | NW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | |
380 | 333 | 225 | 157 | 149 | 116 | 149 | 159 | 155 | 169 | 167 | 197 | 214 | 234 | 573 | 633 | 1725 | 1816 | 1706 | 1523 | 1454 | 1347 | 1420 | 1525 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross-on | on | cross-on | on | on | on | on | on | on | cross-on | |
High Tide | 4:34PM5.40m | 4:55AM5.56m | 5:18PM5.66m | 5:41AM5.70m | 6:02PM5.79m | 6:27AM5.70m | ||||||||||||||||||
Low Tide | 10:46PM0.28m | 11:09AM0.12m | 11:33PM0.03m | 11:55AM0.03m | 00:20AM-0.08m | 12:41PM0.07m | ||||||||||||||||||
 |  |  |  | |  | | | | |  | | | | | | |  | | | | | | | |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — |
 | — | 9:50 | — | — | — | — | — | — | — | 9:51 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | 9:53 |
— | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | |
Temp °C | 11 | 11 | 11 | 11 | 11 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 |
4 | 4 | 5 | 5 | 7 | 6 | 7 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 8 | 8 | 7 | 6 | 7 | 7 | 6 | 5 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | WNW 8 | WNW 8 | N 5 | W 16 | W 16 | WNW 15 | WNW 14 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 7 | 7 | 7 | 7 | 149 | 116 | 2 | 5 | 20 | 21 | 41 | 197 | 214 | 234 | 240 | 204 | 1725 | 1816 | 1706 | 1523 | 1454 | 1347 | 1420 | 1525 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 13 | SW 13 | N 6 | NNW 5 | SW 13 | SW 13 | SW 13 | S 13 | — | W 13 | W 13 | WNW 16 | WNW 15 | WNW 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | 7 | 7 | 17 | 9 | 7 | 7 | 7 | 3 | — | 92 | 90 | 188 | 573 | 633 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 13 | SW 13 | W 17 | — | — | — | — | — | WNW 16 | WNW 12 | WNW 11 | WNW 11 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 7 | 7 | 6 | — | — | — | — | — | 51 | 119 | 43 | 214 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | NW 7 | NW 6 | — | — | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 380 | 333 | 225 | 157 | — | — | 149 | 159 | 155 | 169 | 167 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 598 | 517 | 18 | 52 | 22 | 18 | 50 | 257 | 296 | 517 | 19 | 19 | 18 | 19 | 19 | 9 | 9 | 487 | 9 | 9 | 45 | 45 | 83 | 18 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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