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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 6 pm Wednesday 18 Feb 2026 CETForecast 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
10.2° C
(Which is slightly cooler than normal)How big are the waves at Lostmarc'h today?
The current surf forecast for Lostmarc'h at 10PM is: 3.5m 12s primary swell from a West direction and 2.3m 10s secondary swell from a Southwest direction (forecast issued at 06:00pm February 18). The wind direction is predicted to be cross-onshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Feb) | - | - |
| Afternoon (18 Feb) | 8ft (2.5m) | 11s |
| Evening (18 Feb) | 11ft (3.5m) | 12s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 18 | 18 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1484 | 2213 | 3798 | 9840 | 13359 | 19435 | 20819 | 19469 | 15854 | 11235 | 7456 | 5261 | 2629 | 1744 | 1237 | 1014 | 1985 | 2117 | 2388 | 2474 | 2564 | 2827 | 4130 | 4607 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | on | on | on | on |
High Tide / height (m) | 5:40PM 5.44 | 5:54AM 5.75 | 6:13PM 5.56 | 6:27AM 5.79 | 6:47PM 5.55 | 7:03AM 5.69 | ||||||||||||||||||
Low Tide / height (m) | 11:49PM 0.20 | 12:11PM 0.02 | 12:23AM 0.12 | 12:45PM 0.01 | 12:58AM 0.16 | |||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:15 | - |
| Sunset | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - |
 |  |  |  | | | | |  |  | | | | |  | |  | | | | | | | | |
Rain (mm) | 4 | 2 | 4 | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 3 | 3 | -2 | -3 | -1 | -4 | 0 | 0 | -2 | 0 | 2 | 3 | 5 | 4 | 3 | 3 | 4 | 5 | 5 | 5 | 6 | 7 | 7 | 7 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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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