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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 Sunday 29 Mar 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
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 1AM is: 3.0m 20s primary swell from a West-northwest direction and 0.7m 20s secondary swell from a West direction, 0.1m 15s secondary swell from a West direction (forecast issued at 07:00pm March 29). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 13ft (4.0m) | 18s |
| Afternoon (30 Mar) | 15ft (4.5m) | 17s |
| Evening (30 Mar) | 13ft (4.0m) | 16s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 20 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 970 | 1102 | 1406 | 5845 | 7837 | 10253 | 11765 | 11499 | 9908 | 8802 | 7489 | 4900 | 7554 | 6127 | 4944 | 3852 | 2943 | 2309 | 1875 | 1657 | 1346 | 995 | 1170 | 1170 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 3:45PM 4.50 | 4:03AM 4.88 | 4:30PM 4.86 | 4:44AM 5.20 | 5:07PM 5.16 | 5:20AM 5.42 | ||||||||||||||||||
Low Tide / height (m) | 9:50PM 1.11 | 10:20AM 0.73 | 10:36PM 0.75 | 11:00AM 0.44 | 11:14PM 0.47 | 11:35AM 0.25 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:56 | - | - |
| Sunset | - | 8:43 | - | - | - | - | - | - | - | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - |
 | |  | | | | |  |  | |  | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 9 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 13 | 11 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 3 | 3 | 1 | 3 | 4 | 5 | 4 | 3 | 3 | 2 | 3 | 4 | 6 | 7 | 8 | 9 | 8 | 9 | 8 | 5 | 3 | 3 | 3 | 3 |
- 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
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