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Surf Forecasts:

Belle Ile - Les Donnants surfForecast / Brittany – Morbihan / France

information circle12 Day Weather and Surf, issued 12 pm Tuesday 10 Feb 2026 CET
Forecast update in hr  min  s Forecast update imminent
Belle Ile - Les Donnants surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belle Ile - Les Donnants sea temperature is
10.3° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Belle Ile - Les Donnants this week:

The surf forecast for Belle Ile - Les Donnants over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Feb 11) at 10PM. The primary swell is predicted to be 7.0m and 12s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Belle Ile - Les Donnants in the next 12 days are 8.5m 17s and forecast to arrive on Thursday (Feb 12) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Saturday (Feb 14) at 4AM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 11th Feb)23ft (7.0m) 12s
Best Surf10PM (Wed 11th Feb)23ft (7.0m) 12s
Most Powerful 7AM (Thu 12th Feb)28ft (8.5m) 17s

Table - best surf conditions forecast for Belle Ile - Les Donnants over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 35mm), heaviest during Wed afternoon. Very mild (max 13°C on Tue morning, min 11°C on Wed night). Winds decreasing (gales from the WSW on Wed night, light winds from the W by Thu night).

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Sun morning. Very mild (max 12°C on Sun morning, min 5°C on Sat morning). Winds increasing (light winds from the NW on Fri morning, near gales from the N by Fri night).

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
!
!
!
0
!
!
0
0
1
4
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
WSW
4.5
WSW
6
WSW
5
WSW
5
WSW
7.5
WSW
8
WSW
6.5
WSW
5
WSW
4
WSW
3.5
W
3
W
2.5
W
1.8
W
2
W
1.6
W
3.5
WSW
4
W
3
W
5
W
5.5
W
Period(s) (?)19171113141417161413131212131312911121012
Wave
Graph
(?)Metric surfscale
Energy kJ (?)224611475893995849735210043461721657934250453513269720381094135575918523360262948657655
Wind
(km/h)
35
SW
50
WSW
70
W
45
WSW
50
SW
65
W
55
WNW
55
W
30
WSW
10
NW
15
NW
50
N
45
N
30
N
15
SSE
50
S
25
W
50
WSW
35
WSW
55
WSW
60
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		onononcross-
on		onononcross-
on		cross-
on		cross-
on		cross-
off		crosscrosscross-
off		crossonononcross-
on		on
High Tide
/ height (m)
10:30PM
2.86
11:26AM
2.72
12:36AM
2.81
1:37PM
2.79
2:08AM
3.01
2:40PM
3.02
2:58AM
3.29
3:21PM
3.29
3:35AM
3.60
3:55PM
3.55
4:08AM
3.89
4:26PM
3.80
Low Tide
/ height (m)
4:45PM
1.53
5:29AM
1.58
6:05PM
1.63
6:54AM
1.57
7:25PM
1.53
8:06AM
1.37
8:27PM
1.29
8:59AM
1.08
9:14PM
0.99
9:41AM
0.78
9:53PM
0.69
10:18AM
0.48
10:28PM
0.43
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise8:26--8:25--8:22--8:22--8:19--8:18--8:17--
Sunset-6:28--6:29--6:30--6:31--6:34--6:35--6:37-
light rain
light rain
rain showers
part cloud
rain showers
light rain
light rain
clear
rain showers
light rain
part cloud
part cloud
clear
clear
light rain
mod rain
cloud
light rain
light rain
light rain
mod rain
Rain (mm)
439-1152-11----210-4227
Temp. °C13131312131111111110109676121212121212
Feels °C (?)74134-4003771-4-21786610
  • 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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View detailed surf forecast for Belle Ile - Les Donnants at:
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Information about the Belle Ile - Les Donnants Surf forecast

The above surf forecast table for Belle Ile - Les Donnants provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Belle Ile - Les Donnants can be found by selecting the local surf guide option on the grey menu. Our Belle Ile - Les Donnants surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Belle Ile - Les Donnants) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Belle Ile - Les Donnants may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Belle Ile - Les Donnants is 48 km (30 miles) from Lorient. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Lorient. Lorient has rooms for a wide range of budgets as well as car hire and transport links.

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