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Belle Ile - Les Donnants Surf Forecast
/ Brittany – Morbihan (22 surf breaks) /
Surf Forecasts:
Belle Ile - Les Donnants surfForecast / Brittany – Morbihan / France
12 Day Weather and Surf, issued 12 am Saturday 06 Dec 2025 CETForecast 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
14.1° C
(Which is 1.1°C warmer than normal for this time of year)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 Saturday (Dec 06) at 4PM. The primary swell is predicted to be 5.0m and 16s period with a secondary swell of 4.5m and 16s. 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 5.0m 16s and forecast to arrive on Saturday (Dec 06) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Dec 11) at 10PM.
| Wave Type | Time (CET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Sat 6th Dec) | 16ft (5.0m) 16s |
| Best Surf | 4PM (Sat 6th Dec) | 16ft (5.0m) 16s |
| Most Powerful | 4PM (Sat 6th Dec) | 16ft (5.0m) 16s |
Table - best surf conditions forecast for Belle Ile - Les Donnants over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 17mm), heaviest on Sat night. Very mild (max 15°C on Sat night, min 13°C on Fri night). Winds decreasing (gales from the SW on Sun morning, fresh winds from the S by Mon afternoon). | Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Very mild (max 15°C on Mon night, min 10°C on Thu morning). Winds decreasing (strong winds from the S on Tue morning, calm by Wed night). | |||||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 11 | 14 | 16 | 16 | 14 | 12 | 12 | 12 | 12 | 18 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 3984 | 10612 | 12049 | 9057 | 8050 | 7566 | 6643 | 3959 | 2599 | 8965 | 6594 | 9364 | 2471 | 1883 | 1768 | 1888 | 1581 | 1308 | 1369 | 4422 | 3555 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | on | on | cross- on | glass | cross- off | cross- off | cross- off | cross | cross- on | |
High Tide / height (m) | 5:02AM 4.49 | 5:31PM 4.25 | 5:50AM 4.44 | 6:20PM 4.07 | 6:38AM 4.29 | 7:10PM 3.83 | 7:29AM 4.07 | 8:02PM 3.56 | 8:24AM 3.80 | 9:01PM 3.31 | 9:25AM 3.54 | 10:09PM 3.13 | 10:34AM 3.34 | |||||||||
Low Tide / height (m) | 10:50PM 0.03 | 11:19AM -0.11 | 11:38PM 0.11 | 12:09PM -0.02 | 12:26AM 0.25 | 1:01PM 0.18 | 1:16AM 0.46 | 1:54PM 0.42 | 2:09AM 0.69 | 2:49PM 0.68 | 3:05AM 0.92 | 3:48PM 0.90 | 4:06AM 1.11 | 4:49PM 1.05 | ||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | ||||||||||||||||
| Sunrise | - | 8:44 | - | - | 8:45 | - | - | 8:45 | - | - | 8:47 | - | - | 8:48 | - | - | 8:48 | - | - | 8:49 | - | |
| Sunset | - | - | 5:22 | - | - | 5:22 | - | - | 5:22 | - | - | 5:22 | - | - | 5:22 | - | - | 5:22 | - | - | 5:22 | |
 |  | |  | |  |  | | | | | |  | |  |  | | | | | | ||
Rain (mm) | 2 | - | - | 8 | - | 1 | 5 | 1 | - | 1 | - | 2 | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 14 | 13 | 14 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 11 | 10 | 11 | 13 | 13 | 12 | |
| Feels °C (?) | 6 | 3 | 5 | 6 | 5 | 4 | 5 | 7 | 9 | 10 | 7 | 8 | 8 | 9 | 7 | 8 | 4 | 5 | 5 | 4 | 6 | |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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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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