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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 Saturday 25 Apr 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
13.2° 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 5PM is: 1.0m 10s primary swell from a West-southwest direction (forecast issued at 01:00pm April 25). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 4.5ft (1.3m) | 10s |
| Afternoon (25 Apr) | 3.5ft (1.1m) | 10s |
| Evening (25 Apr) | 3.5ft (1.0m) | 9s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 12°C on Tue morning). Winds increasing (light winds from the ENE on Sat night, fresh winds from the NNE by Mon afternoon). | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 11 | W 10 | |
314 | 240 | 200 | 164 | 130 | 127 | 124 | 86 | 78 | 76 | 76 | 58 | 58 | 51 | 79 | 73 | 66 | 48 | 48 | 48 | 48 | 45 | 21 | 32 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross-off | cross-off | off | off | off | cross-on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:01PM3.98m | 1:33AM4.27m | 2:21PM4.18m | 2:43AM4.49m | 3:17PM4.46m | 3:34AM4.73m | ||||||||||||||||||
Low Tide | 7:08PM1.65m | 7:57AM1.36m | 8:24PM1.46m | 9:00AM1.13m | 9:22PM1.18m | |||||||||||||||||||
 | |  |  |  |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — |
 | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:24 | — | — | — | 9:25 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 13 | 14 | 18 | 17 | 15 | 14 | 13 | 13 | 12 |
14 | 14 | 13 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 15 | 11 | 11 | 10 | 8 | 9 | 14 | 10 | 9 | 9 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 8 |
 kJ | 314 | 240 | 200 | 164 | 130 | 127 | 124 | 86 | 78 | 76 | 76 | 58 | 58 | 51 | 79 | 73 | 66 | 48 | 48 | 48 | 48 | 45 | 19 | 12 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 5 | — | — | NNW 3 | — | — | — | — | — | W 10 | W 10 | W 10 | — | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 10 |
| kJ | 5 | 2 | 2 | — | — | 1 | — | — | — | — | — | 8 | 17 | 29 | — | 4 | 3 | 3 | 12 | 11 | 23 | 22 | 21 | 32 |
Swell 3 Height (m) Direction Period (s) | NNE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 18 | WSW 8 | W 8 |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 13 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | NNW 2 | NNW 3 | NNW 3 | — | — | — | — | — | — | NNE 3 | NNE 3 | NNE 3 | — | NNE 3 | NNE 3 | NNE 4 | NNE 4 | NNE 4 | NNE 3 | NNE 3 | N 3 | NNW 4 |
| kJ | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 2 | — | 1 | 3 | 5 | 14 | 15 | 7 | 3 | 2 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 19 | 19 | 13 | 0 | 0 | 0 | 0 | 0 | 39 | 15 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 26 | 25 | 8 | 8 | 8 | 8 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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