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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 Thursday 09 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
12.3° 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 8AM is: 1.6m 12s primary swell from a West-northwest direction and 0.2m 9s secondary swell from a South-southwest direction (forecast issued at 01:00am April 09). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 5ft (1.6m) | 12s |
| Afternoon (09 Apr) | 4.5ft (1.4m) | 11s |
| Evening (09 Apr) | 4ft (1.2m) | 11s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1511 | 1338 | 948 | 725 | 583 | 477 | 726 | 313 | 435 | 4528 | 6031 | 6228 | 5519 | 4618 | 3911 | 3111 | 2412 | 1783 | 1509 | 3458 | 6816 | 7684 | 8494 | 11278 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | on | cross- on | on | on | on | on |
High Tide / height (m) | 9:20PM 4.19 | 9:46AM 3.88 | 10:13PM 3.86 | 10:53AM 3.57 | 11:37PM 3.65 | 12:40PM 3.50 | ||||||||||||||||||
Low Tide / height (m) | 3:48AM 1.68 | 4:07PM 1.89 | 4:51AM 1.98 | 5:23PM 2.13 | 6:24AM 2.08 | 7:01PM 2.12 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:37 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:59 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:01 |
 | |  |  |  |  | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 16 | 14 | 12 | 11 | 10 | 8 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 11 | 11 | 10 | 8 | 9 | 9 | 10 | 10 |
| Feels °C (?) | 15 | 15 | 13 | 11 | 9 | 5 | 2 | -1 | -1 | 0 | 2 | 3 | 1 | 4 | 4 | 3 | 5 | 6 | 0 | -3 | -2 | -2 | -2 | -1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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