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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 am Monday 25 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
15.1° C
(Which is 1.4°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 11AM is: 1.1m 14s primary swell from a West-northwest direction and 1.0m 10s secondary swell from a West direction (forecast issued at 07:00am May 25). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 3ft (0.9m) | 15s |
| Afternoon (25 May) | 5ft (1.5m) | 13s |
| Evening (25 May) | 5.5ft (1.7m) | 13s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Mon afternoon, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | |
183 | 381 | 521 | 661 | 915 | 946 | 828 | 791 | 656 | 624 | 634 | 634 | 589 | 505 | 471 | 380 | 356 | 297 | 240 | 222 | 170 | 170 | 170 | 133 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross | cross-on | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | on | on | on | glassy | glassy | |
High Tide | 1:38PM4.19m | 2:01AM4.37m | 2:36PM4.33m | 2:56AM4.45m | 3:24PM4.50m | |||||||||||||||||||
Low Tide | 7:16AM1.31m | 7:42PM1.47m | 8:17AM1.27m | 8:42PM1.35m | 9:09AM1.17m | 9:33PM1.20m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | |  |  | | |
 | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | 6:24 |
 | — | — | — | — | — | 10:01 | — | — | — | — | — | — | — | 10:02 | — | — | — | — | — | — | — | 10:04 | — | 10:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 25 | 29 | 29 | 28 | 27 | 28 | 27 | 26 | 26 | 29 | 29 | 27 | 25 | 25 | 24 | 22 | 22 | 23 | 22 | 21 | 21 | 21 |
25 | 24 | 24 | 28 | 29 | 30 | 28 | 27 | 27 | 25 | 26 | 28 | 26 | 25 | 25 | 24 | 22 | 20 | 22 | 23 | 22 | 22 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 183 | 183 | 521 | 661 | 915 | 946 | 828 | 791 | 656 | 624 | 634 | 634 | 589 | 505 | 471 | 380 | 356 | 297 | 240 | 222 | 170 | 170 | 170 | 133 |
Swell 2 Height (m) Direction Period (s) | W 16 | WNW 15 | W 10 | W 10 | SE 4 | SSE 4 | SE 5 | SE 5 | SE 4 | SSE 4 | SSE 5 | — | SW 19 | SSE 5 | S 5 | S 5 | S 5 | SSE 5 | SSE 5 | S 4 | S 4 | S 4 | S 4 | N 5 |
| kJ | 179 | 381 | 179 | 148 | 5 | 8 | 5 | 5 | 4 | 4 | 5 | — | 15 | 20 | 19 | 14 | 14 | 8 | 5 | 4 | 1 | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | S 13 | — | — | — | — | — | — | — | — | — | S 19 | S 19 | — | S 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | — | S 4 |
| kJ | 7 | 7 | 7 | 3 | — | — | — | — | — | — | — | — | — | 7 | 7 | — | 7 | 12 | 12 | 12 | 12 | 12 | — | 1 |
Wind waves Height (m) Direction Period (s) | E 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | — | SE 4 | SE 4 | — | — | SSE 5 | SSE 5 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 5 | 3 | 5 | 14 | 9 | — | 7 | 3 | — | — | 14 | 20 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 1 | 9 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 4 | 0 | 0 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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