Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Lostmarc'h surfForecast / Brittany – Finistere / France
48hr Weather and Surf, issued 6 pm Sunday 28 Dec 2025 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
11.2° C
(Which is slightly cooler than normal)How big are the waves at Lostmarc'h today?
The current surf forecast for Lostmarc'h at 8PM is: 0.6m 11s primary swell from a West direction (forecast issued at 06:00pm December 28). An open ocean swell of 0.5m 6s is not directed at the surf break, a second open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | - | - |
| Afternoon (28 Dec) | 2.5ft (0.7m) | 12s |
| Evening (28 Dec) | 1.5ft (0.5m) | 16s |
Table - waves today at Lostmarc'h. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 97 | 93 | 125 | 107 | 104 | 148 | 138 | 127 | 125 | 125 | 123 | 109 | 107 | 109 | 148 | 134 | 246 | 237 | 418 | 334 | 257 | 289 | 277 | 219 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 10:59PM 4.30 | 11:28AM 4.42 | 12:12AM 4.36 | 12:45PM 4.49 | 1:24AM 4.57 | |||||||||||||||||||
Low Tide / height (m) | 4:45PM 1.21 | 5:14AM 1.40 | 5:54PM 1.23 | 6:28AM 1.32 | 7:05PM 1.14 | 7:40AM 1.09 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - | - | 9:07 | - |
| Sunset | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - |
 |  | | |  |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 5 | 4 | 4 | 4 | 4 | 3 | 4 | 6 | 5 | 4 | 3 | 4 | 3 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 |
| Feels °C (?) | 1 | -2 | -3 | -2 | -2 | -2 | -3 | -1 | 0 | -2 | -3 | -4 | -3 | -4 | -5 | -4 | -3 | -4 | -4 | -3 | -3 | -3 | -5 | -5 |
- 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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