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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 Sunday 12 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
12.7° 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 9AM is: 5.5m 16s primary swell from a West-northwest direction (forecast issued at 01:00am April 12). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 18ft (5.5m) | 16s |
| Afternoon (12 Apr) | 16ft (5.0m) | 16s |
| Evening (12 Apr) | 15ft (4.5m) | 14s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| 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) (?) | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17171 | 16191 | 15778 | 15853 | 16107 | 13607 | 10238 | 7975 | 6275 | 4555 | 3560 | 2866 | 2145 | 1622 | 1294 | 1141 | 866 | 724 | 436 | 316 | 680 | 194 | 210 | 293 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | on | cross- on | cross- on | on | on | on | on | on | cross- on | on | cross- on | cross- on | cross | cross | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 1:23AM 3.74 | 2:12PM 3.76 | 2:34AM 4.09 | 3:07PM 4.18 | 3:23AM 4.54 | 3:50PM 4.64 | ||||||||||||||||||
Low Tide / height (m) | 7:53AM 1.88 | 8:19PM 1.84 | 8:55AM 1.49 | 9:14PM 1.44 | 9:41AM 1.03 | |||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - | - | - | - | - | - | 7:31 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:02 | - | - | - | - | - | - | - | 9:05 | - | - | - | - | - | - | - | 9:06 |
 |  | |  |  | |  | |  |  | |  | | | | | |  | |  | | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 13 | 13 |
| Feels °C (?) | 0 | 0 | 1 | 2 | 4 | 4 | 4 | 5 | 6 | 5 | 5 | 5 | 6 | 4 | 6 | 7 | 7 | 6 | 5 | 7 | 9 | 7 | 9 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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