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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 am 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
12.6° 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 9AM is: 3.0m 13s primary swell from a West-northwest direction (forecast issued at 01:00am April 13). The wind direction is predicted to be 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) | 6.5ft (2.0m) | 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 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 13 | 12 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6275 | 4555 | 3625 | 2866 | 2145 | 1659 | 1324 | 1036 | 851 | 778 | 476 | 316 | 608 | 499 | 508 | 301 | 295 | 235 | 392 | 1408 | 1633 | 2257 | 2486 | 2246 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 2:34AM 4.09 | 3:07PM 4.18 | 3:23AM 4.54 | 3:50PM 4.64 | 4:04AM 5.00 | 4:28PM 5.09 | ||||||||||||||||||
Low Tide / height (m) | 8:19PM 1.84 | 8:55AM 1.49 | 9:14PM 1.44 | 9:41AM 1.03 | 9:57PM 0.99 | 10:21AM 0.58 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:31 | - | - | - | - | - | - | - | 7:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:05 | - | - | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:07 |
 | | |  |  | | |  |  |  | | |  |  | | | | |  | | | | | | |
Rain (mm) | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 12 | 12 | 12 |
| Feels °C (?) | 6 | 6 | 5 | 6 | 6 | 5 | 6 | 7 | 7 | 6 | 5 | 7 | 8 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 5 | 8 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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