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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 12 pm Sunday 22 Mar 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
11.5° C
(Which is slightly warmer than usual)How big are the waves at Lostmarc'h today?
The current surf forecast for Lostmarc'h at 5PM is: 1.7m 14s primary swell from a West-northwest direction and 0.4m 10s secondary swell from a Southwest direction (forecast issued at 12:00pm March 22). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | 6ft (1.8m) | 14s |
| Afternoon (22 Mar) | 5.5ft (1.7m) | 14s |
| Evening (22 Mar) | 5ft (1.6m) | 13s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 13 | 19 | 17 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1230 | 1127 | 994 | 837 | 769 | 648 | 618 | 745 | 888 | 862 | 775 | 715 | 692 | 569 | 550 | 416 | 401 | 215 | 241 | 281 | 1344 | 5464 | 6186 | 6060 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | glass | cross- on | cross- on | cross | glass | on | on | cross- on | cross- on | on | on | on | cross- on | cross | cross |
High Tide / height (m) | 7:01PM 5.60 | 7:23AM 5.46 | 7:43PM 5.27 | 8:08AM 4.99 | 8:31PM 4.83 | |||||||||||||||||||
Low Tide / height (m) | 12:57PM 0.06 | 1:17AM 0.17 | 1:38PM 0.41 | 2:02AM 0.54 | 2:25PM 0.87 | 2:56AM 0.99 | ||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:32 | - | - | - | - | - | - | - | 7:34 | - | - | - | - | - | - | - | 7:36 | - | - | - | - |
 | |  |  |  |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 12 | 12 | 10 | 10 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 9 |
| Feels °C (?) | 5 | 9 | 7 | 5 | 6 | 7 | 7 | 6 | 8 | 10 | 8 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 3 | 2 | -1 |
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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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