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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 pm Tuesday 16 Sep 2025 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
16.8° C
(Which is normal for this time of year)How big are the waves at Lostmarc'h today?
The current surf forecast for Lostmarc'h at 8PM is: 2.4m 12s primary swell from a West-northwest direction (forecast issued at 01:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 11ft (3.5m) | 12s |
| Afternoon (16 Sep) | 10ft (3.0m) | 12s |
| Evening (16 Sep) | 7.5ft (2.3m) | 11s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2948 | 2313 | 1805 | 1491 | 1106 | 862 | 819 | 783 | 696 | 761 | 1045 | 1520 | 1952 | 2151 | 2151 | 1806 | 1480 | 1244 | 1179 | 826 | 783 | 714 | 601 | 567 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | off |
High Tide / height (m) | 1:10PM 4.01 | 2:11AM 3.94 | 2:43PM 4.25 | 3:23AM 4.26 | 3:43PM 4.63 | 4:12AM 4.62 | ||||||||||||||||||
Low Tide / height (m) | 7:41PM 1.62 | 8:18AM 1.69 | 9:04PM 1.35 | 9:28AM 1.35 | 10:01PM 0.98 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:58 |
| Sunset | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:24 | - | - | - | - |
 |  | | |  |  |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 12 | 13 | 14 | 13 | 14 | 11 | 10 | 11 | 12 | 12 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Brittany - Finistere
No recent live wind reports 21 km from La Torche. No surfable waves
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1 h 28 min ago
17 km/h
SW
Cross-On
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