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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 Monday 13 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
12.5° 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 9PM is: 1.9m 12s primary swell from a West-northwest direction (forecast issued at 01:00pm April 13). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 10ft (3.0m) | 13s |
| Afternoon (13 Apr) | 7.5ft (2.3m) | 12s |
| Evening (13 Apr) | 6ft (1.9m) | 12s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 7 | 9 | 10 | 10 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2145 | 1659 | 1324 | 1036 | 866 | 856 | 328 | 275 | 279 | 218 | 183 | 156 | 269 | 407 | 551 | 1357 | 1670 | 2269 | 2445 | 2209 | 2059 | 1954 | 7000 | 9917 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | on | on | on | on | on | cross- on |
High Tide / height (m) | 3:07PM 4.18 | 3:23AM 4.54 | 3:50PM 4.64 | 4:04AM 5.00 | 4:28PM 5.09 | 4:43AM 5.41 | ||||||||||||||||||
Low Tide / height (m) | 8:55AM 1.49 | 9:14PM 1.44 | 9:41AM 1.03 | 9:57PM 0.99 | 10:21AM 0.58 | 10:37PM 0.56 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:26 |
| Sunset | - | - | - | 9:05 | - | - | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:07 | - | - | - | - |
 | |  |  |  |  |  |  | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 |
| Feels °C (?) | 6 | 5 | 6 | 6 | 6 | 5 | 5 | 8 | 10 | 9 | 9 | 9 | 10 | 9 | 10 | 8 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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