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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 Saturday 18 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 1.2°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 6AM is: 2.3m 11s primary swell from a West direction (forecast issued at 01:00am April 18). The wind direction is predicted to be cross-shore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 7ft (2.2m) | 11s |
| Afternoon (18 Apr) | 6.5ft (2.0m) | 11s |
| Evening (18 Apr) | 6ft (1.9m) | 11s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1877 | 1573 | 1304 | 1172 | 1030 | 999 | 901 | 815 | 734 | 634 | 476 | 435 | 247 | 200 | 198 | 159 | 163 | 122 | 96 | 70 | 70 | 48 | 73 | 72 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | off | off | off | off | glass | off | off | off | off | off | off | cross- off | off | off |
High Tide / height (m) | 6:02AM 5.90 | 6:22PM 5.88 | 6:43AM 5.89 | 7:03PM 5.84 | 7:25AM 5.69 | 7:45PM 5.63 | ||||||||||||||||||
Low Tide / height (m) | 11:55PM -0.06 | 12:16PM -0.16 | 12:36AM -0.16 | 12:57PM -0.09 | 1:19AM -0.09 | 1:40PM 0.14 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:12 | - | - | - | - | - | - | - | 9:13 | - | - | - | - | - | - | - | 9:15 |
 | |  |  | | | | | | | | | | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 10 | 14 | 15 | 14 | 10 | 9 | 9 | 8 | 10 | 14 | 15 | 14 |
| Feels °C (?) | 8 | 8 | 6 | 6 | 6 | 6 | 7 | 6 | 4 | 5 | 5 | 4 | 5 | 11 | 14 | 11 | 3 | 2 | 3 | 1 | 4 | 9 | 10 | 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)
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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