Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 6 am Monday 19 Jan 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
10.8° 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 Tuesday (Jan 20) at 4AM. The primary swell is predicted to be 3.0m and 16s period with a secondary swell of 1.9m and 16s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Belle Ile - Les Donnants in the next 12 days are 6.5m 18s and forecast to arrive on Sunday (Jan 25) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Jan 26) at 1AM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Tue 20th Jan)10ft (3.0m) 16s
Best Surf 4AM (Tue 20th Jan)10ft (3.0m) 16s
Most Powerful 1AM (Sun 25th Jan)21ft (6.5m) 18s

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 41mm), heaviest during Tue afternoon. Very mild (max 13°C on Wed morning, min 8°C on Tue afternoon). Winds increasing (light winds from the WNW on Mon night, gales from the S by Tue afternoon).

Days 3-6 Weather Summary Heavy rain (total 33mm), heaviest during Thu night. Very mild (max 10°C on Thu morning, min 7°C on Fri morning). Winds increasing (fresh winds from the SW on Thu night, gales from the SSW by Fri afternoon).

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
!
0
0
0
0
0
0
0
!
0
!
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
W
1.2
W
1.8
W
2.2
W
4
SW
3
W
4
SSW
3
SSW
3
WSW
5
W
5
W
3
W
5
WSW
5.5
WSW
5.5
WSW
5
WSW
5
WSW
6.5
WSW
5
WSW
5
W
4
W
Period(s) (?)1011161610148811161414121415161718161514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)296329163123593636396619951325213912474990940496934106081234011681145022456812345109767173
Wind
(km/h)
15
WSW
25
SW
20
WSW
55
S
65
S
30
SSW
65
S
45
SSW
35
SSW
40
WNW
40
W
55
S
60
SW
65
SSW
70
SW
60
SW
50
W
45
SW
60
WNW
45
WNW
50
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		crosscrosscross-
on		crosscross-
on		crossononcrosscross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		oncross-
on		cross-
on
High Tide
/ height (m)
5:17PM
3.82
5:31AM
4.13
5:49PM
3.90
6:04AM
4.20
6:22PM
3.92
6:37AM
4.21
6:57PM
3.90
7:12AM
4.15
7:34PM
3.82
7:51AM
4.01
8:15PM
3.69
8:35AM
3.81
9:03PM
3.53
Low Tide
/ height (m)
11:15AM
0.42
11:25PM
0.42
11:50AM
0.32
11:59PM
0.35
12:25PM
0.27
12:34AM
0.33
1:01PM
0.28
1:11AM
0.39
1:39PM
0.35
1:51AM
0.50
2:20PM
0.50
2:36AM
0.67
3:08PM
0.69
3:30AM
0.86
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Sunrise8:52--8:52--8:51--8:49--8:48--8:48--8:47--
Sunset-5:53--5:54--5:57--5:58--6:00--6:00--6:02-
cloud
light rain
part cloud
cloud
heavy rain
heavy rain
rain showers
rain showers
thunderstorm
rain showers
part cloud
rain showers
rain showers
light rain
rain showers
thunderstorm
rain showers
mod rain
light rain
thunderstorm
rain showers
Rain (mm)
-1--17123351-10129127423
Temp. °C101010119111311111010108810101010999
Feels °C (?)6440-5-2323212-5-6-4-2-11-2-1-1
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

submit an eyeball surf report

Quick surf report for Belle Ile - Les Donnants:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Belle Ile - Les Donnants surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Belle Ile - Les Donnants at:
surf-forecast.com

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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest