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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 7 pm Friday 10 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 10PM is: 2.5m 14s primary swell from a West-northwest direction and 0.8m 4s secondary swell from a South direction (forecast issued at 07:00pm April 10). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Apr) | - | - |
| Afternoon (10 Apr) | 11ft (3.5m) | 14s |
| Evening (10 Apr) | 8ft (2.5m) | 14s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4123 | 3111 | 2412 | 2171 | 2542 | 4232 | 5955 | 8844 | 13137 | 16041 | 16055 | 16191 | 16955 | 17609 | 16878 | 14242 | 10659 | 7975 | 6363 | 4622 | 3403 | 2668 | 2132 | 1622 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | on | on |
High Tide / height (m) | 11:37PM 3.65 | 12:40PM 3.50 | 1:23AM 3.74 | 2:12PM 3.76 | 2:34AM 4.09 | |||||||||||||||||||
Low Tide / height (m) | 5:23PM 2.13 | 6:24AM 2.08 | 7:01PM 2.12 | 7:53AM 1.88 | 8:19PM 1.84 | 8:55AM 1.49 | ||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - |
| Sunset | - | 9:00 | - | - | - | - | - | - | - | 9:01 | - | - | - | - | - | - | - | 9:02 | - | - | - | - | - | - |
 | |  | | |  |  | |  |  |  |  | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | 1 | 1 | - |
| Temp. °C | 12 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 |
| Feels °C (?) | 5 | 4 | 5 | 5 | 2 | -2 | -1 | -2 | -1 | -1 | 0 | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 5 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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