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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 20 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
13.1° C
(Which is 1.6°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 6PM is: 0.5m 12s primary swell from a Northwest direction and 0.5m 10s secondary swell from a West direction (forecast issued at 01:00pm April 20). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2ft (0.6m) | 10s |
| Afternoon (20 Apr) | 1.5ft (0.4m) | 13s |
| Evening (20 Apr) | 1.5ft (0.5m) | 10s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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) (?) | 10 | 13 | 12 | 10 | 14 | 13 | 15 | 14 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 70 | 48 | 73 | 46 | 70 | 89 | 284 | 276 | 384 | 378 | 334 | 392 | 588 | 472 | 452 | 286 | 198 | 151 | 93 | 57 | 56 | 36 | 21 | 26 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 7:45PM 5.63 | 8:11AM 5.34 | 8:32PM 5.29 | 9:02AM 4.89 | 9:25PM 4.87 | |||||||||||||||||||
Low Tide / height (m) | 1:40PM 0.14 | 2:05AM 0.16 | 2:26PM 0.49 | 2:56AM 0.53 | 3:18PM 0.92 | 3:56AM 0.95 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:13 |
| Sunset | - | - | - | 9:15 | - | - | - | - | - | - | - | 9:15 | - | - | - | - | - | - | - | 9:17 | - | - | - | - |
 | | |  |  | |  |  | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 14 | 15 | 14 | 10 | 9 | 9 | 8 | 10 | 14 | 15 | 13 | 12 | 10 | 9 | 9 | 10 | 12 | 15 | 15 | 13 | 12 | 10 | 9 |
| Feels °C (?) | 5 | 9 | 10 | 9 | 4 | 2 | 1 | -1 | 1 | 6 | 7 | 5 | 4 | 0 | -1 | 1 | 3 | 6 | 11 | 10 | 8 | 5 | 3 | 2 |
- 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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lostmarc'h surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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