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Belle Ile - Les Donnants Surf Forecast
/ Brittany – Morbihan (22 surf breaks) /
Belle Ile - Les Donnants surfForecast / Brittany – Morbihan / France
12 Day Weather and Surf, issued 1 pm Sunday 15 Jun 2025 CEST
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 Monday (Jun 16) at 5AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Belle Ile - Les Donnants in the next 12 days are 1.1m 9s and forecast to arrive on Sunday (Jun 15) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Jun 18) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 16th Jun) | 2.5ft (0.8m) 8s |
| Best Surf | 5AM (Mon 16th Jun) | 2.5ft (0.8m) 8s |
| Most Powerful | 8PM (Sun 15th Jun) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for Belle Ile - Les Donnants over the next 12 days.
Sun 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Fri 27 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 7 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 9 | 9 | 8 | 10 | 12 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 9 | 9 | 4 | 5 | 5 | 4 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 129 | 68 | 78 | 74 | 50 | 42 | 47 | 55 | 96 | 84 | 77 | 74 | 80 | 76 | 80 | 55 | 68 | 49 | 44 | 40 | 30 | 77 | 124 | 137 | 93 | 100 | 74 | 53 | 17 | 11 | 24 | 34 | 50 | 57 | 36 | 18 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | cross- off | on | cross- off | cross- off | cross- on | cross- off | cross- off | glass | cross- off | off | cross- on | cross- off | cross- off | on | cross- off | off | on | cross- off | off | cross- on | cross- off | off | cross | cross- off | off | cross | on | on | on | cross- on | on | cross- on | glass | glass |
High Tide / height (m) | 8:14PM 3.80 | 8:39AM 3.49 | 8:59PM 3.73 | 9:28AM 3.40 | 9:50PM 3.66 | 10:26AM 3.34 | 10:49PM 3.59 | 11:31AM 3.32 | 11:57PM 3.56 | 12:41PM 3.39 | 1:08AM 3.60 | 1:50PM 3.54 | 2:17AM 3.70 | 2:52PM 3.74 | 3:21AM 3.84 | 3:49PM 3.95 | 4:18AM 3.96 | 4:42PM 4.14 | 5:11AM 4.04 | 5:32PM 4.26 | 6:01AM 4.06 | 6:19PM 4.31 | 6:48AM 4.00 | |||||||||||||
Low Tide / height (m) | 2:13PM 0.75 | 2:46AM 0.71 | 2:58PM 0.82 | 3:34AM 0.76 | 3:49PM 0.90 | 4:28AM 0.79 | 4:45PM 0.95 | 5:26AM 0.80 | 5:48PM 0.96 | 6:28AM 0.77 | 6:54PM 0.89 | 7:31AM 0.70 | 7:59PM 0.75 | 8:31AM 0.60 | 9:00PM 0.56 | 9:28AM 0.48 | 9:58PM 0.36 | 10:22AM 0.37 | 10:52PM 0.20 | 11:13AM 0.29 | 11:44PM 0.11 | 12:02PM 0.26 | 12:34AM 0.10 | 12:50PM 0.29 | ||||||||||||
Sun 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Fri 27 | ||||||||||||||||||||||||
| Sunrise | - | - | 6:15 | - | - | 6:15 | - | - | 6:15 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:16 | - | - | 6:18 |
| Sunset | 10:09 | - | - | 10:10 | - | - | 10:10 | - | - | 10:12 | - | - | 10:12 | - | - | 10:12 | - | - | 10:12 | - | - | 10:13 | - | - | 10:13 | - | - | 10:13 | - | - | 10:13 | - | - | 10:13 | - | - |
 |  | | | | | | | | | | | | |  |  |  | | | | | | | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 2 | - | - | - | - | - | - |
| Temp. °C | 16 | 19 | 14 | 20 | 21 | 18 | 23 | 24 | 19 | 26 | 27 | 22 | 28 | 29 | 24 | 28 | 30 | 25 | 30 | 30 | 25 | 30 | 30 | 28 | 29 | 30 | 24 | 23 | 20 | 18 | 18 | 17 | 17 | 18 | 18 | 17 |
| Feels °C (?) | 12 | 16 | 11 | 17 | 18 | 15 | 20 | 21 | 15 | 26 | 24 | 19 | 27 | 26 | 24 | 25 | 28 | 22 | 29 | 27 | 22 | 27 | 27 | 26 | 28 | 27 | 20 | 22 | 19 | 15 | 18 | 13 | 14 | 16 | 17 | 18 |
Short Range Forecast: Mostly dry. Warm (max 24°C on Tue night, min 14°C on Mon morning). Winds increasing (calm on Mon afternoon, fresh winds from the NE by Tue night). | Days 3-6 Weather Summary Some drizzle, heaviest during Fri night. Warm (max 30°C on Fri night, min 21°C on Thu morning). Mainly fresh winds. | Days 6-9 Weather Summary Some drizzle, heaviest during Tue morning. Warm (max 30°C on Sat afternoon, min 23°C on Mon night). Wind will be generally light. | Long Range Forecast: Light rain (total 3mm), mostly falling on Tue night. Warm (max 23°C on Tue afternoon, min 16°C on Wed night). Winds decreasing (fresh winds from the S on Tue night, calm by Thu night). | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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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