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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 30 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
17.3° C
(Which is 3.3°C warmer than normal for this time of year)How big are the waves at Lostmarc'h today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6ft (1.9m), 12s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 6ft (1.9m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 6ft (1.8m), 12s period with W swell.
The current surf forecast for Lostmarc'h at 3AM is: 1.9m 12s primary swell from a West direction (forecast issued at 07:00pm May 30). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6ft (1.9m) | 12s |
| Afternoon (31 May) | 6ft (1.9m) | 12s |
| Evening (31 May) | 6ft (1.8m) | 12s |
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 8mm), mostly falling on Mon night. Very mild (max 17°C on Mon night, min 15°C on Sat night). Winds increasing (light winds from the W on Sun night, strong winds from the W by Tue morning). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | WSW 10 | W 10 | W 7 | W 8 | W 8 | |
173 | 737 | 930 | 1002 | 872 | 972 | 972 | 997 | 1013 | 988 | 843 | 799 | 701 | 610 | 599 | 524 | 525 | 262 | 200 | 653 | 776 | 478 | 682 | 798 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 5:15PM4.92m | 5:34AM4.83m | 5:49PM4.99m | 6:09AM4.85m | 6:24PM5.00m | 6:44AM4.81m | ||||||||||||||||||
Low Tide | 11:32PM0.80m | 11:46AM0.84m | 00:08AM0.75m | 12:21PM0.84m | 00:44AM0.77m | 12:57PM0.89m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | |  | |  | |  | |  | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — |
 | — | 10:07 | — | — | — | — | — | — | — | 10:08 | — | — | — | — | — | — | — | 10:08 | — | — | — | — | — | 10:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 3 | 1 | — | 1 | 1 | |
Temp °C | 17 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 15 |
13 | 11 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 12 | 9 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 173 | 737 | 930 | 1002 | 872 | 972 | 972 | 997 | 1013 | 988 | 843 | 799 | 701 | 610 | 599 | 524 | 525 | 262 | 200 | 7 | 7 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | W 13 | NW 8 | NW 8 | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | S 13 | — | — | — | — |
| kJ | 173 | 11 | 10 | — | — | — | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | WNW 8 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 3 | — | — | W 4 | — | — | — | — | — | — | — | — | — | — | — | SW 4 | WSW 6 | WSW 6 | WSW 10 | W 10 | W 7 | W 8 | W 8 |
| kJ | 12 | 2 | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | 19 | 93 | 140 | 653 | 776 | 478 | 682 | 798 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 52 | 9 | 9 | 9 | 283 | 341 | 325 | 9 | 9 | 9 | 9 | 18 | 18 | 18 | 18 | 18 | 83 | 85 | 271 | 238 | 325 | 473 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
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