Surf Forecasts:
Belle Ile - Les Donnants surf forecast from 22 Jun 2026:
- Best quality surf: Tuesday 23 Jun, 11PM (local time) - 1.5ft (0.5m), 9s period, W swell with offshore winds.
- Most powerful swell: Sunday 28 Jun, 8PM (local time) - 8ft (2.5m), 14s period, W swell with 2,534 kJ wave energy.
- Next surfable swell (1★+): Tuesday 23 Jun, 11PM (local time) - 1.5ft (0.5m), 9s period with W swell.
Best Forecast Surf Conditions for Belle Ile - Les Donnants this week:
The surf forecast for Belle Ile - Les Donnants over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 23) at 11PM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.3m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Belle Ile - Les Donnants in the next 16 days are 2.5m 14s and forecast to arrive on Sunday (Jun 28) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Jun 25) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 23rd Jun) | 1.5ft (0.5m) 9s |
| Best Surf | 11PM (Tue 23rd Jun) | 1.5ft (0.5m) 9s |
| Most Powerful | 8PM (Sun 28th Jun) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Belle Ile - Les Donnants over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 35°C on Wed afternoon, min 22°C on Thu morning). Winds increasing (calm on Mon night, strong winds from the ENE by Wed night). | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Thu afternoon, min 16°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Mon 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 7 | WSW 7 | W 10 | W 10 | W 9 | W 8 | WSW 8 | W 8 | W 8 | W 13 | W 11 | WNW 11 | W 10 | W 10 | W 10 | W 9 | W 8 | W 17 | W 15 | WNW 13 | W 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8 | 5 | 18 | 31 | 41 | 37 | 23 | 12 | 11 | 31 | 123 | 150 | 167 | 125 | 67 | 63 | 90 | 52 | 819 | 1922 | 956 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | cross-on | cross-off | off | cross | off | cross-off | cross-on | on | cross-on | on | on | on | on | on | cross-on | on | cross-off | cross-off |
High Tide | 00:05AM3.37m | 12:47PM3.18m | 1:12AM3.25m | 1:50PM3.20m | 2:15AM3.22m | 2:46PM3.27m | 3:09AM3.26m | 3:32PM3.38m | 3:55AM3.34m | 4:13PM3.51m | 4:35AM3.44m | 4:51PM3.64m | 5:11AM3.53m | ||||||||
Low Tide | 5:37PM1.02m | 6:15AM0.99m | 6:39PM1.13m | 7:13AM1.08m | 7:41PM1.15m | 8:08AM1.10m | 8:38PM1.11m | 9:00AM1.06m | 9:29PM1.01m | 9:48AM0.98m | 10:16PM0.88m | 10:32AM0.88m | 10:59PM0.76m | 11:13AM0.77m | |||||||
 |  | | | | | |  | | | | | | |  | | | | | | | |
 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 |
 | — | 10:13 | — | — | 10:13 | — | — | 10:13 | — | — | 10:13 | — | — | 10:13 | — | — | 10:13 | — | — | 10:13 | 10:13 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 33 | 29 | 31 | 32 | 30 | 35 | 34 | 26 | 21 | 18 | 19 | 20 | 20 | 17 | 17 | 18 | 16 | 17 | 21 | 16 |
Feels °C | 29 | 33 | 27 | 29 | 29 | 28 | 33 | 31 | 21 | 21 | 14 | 18 | 19 | 19 | 15 | 15 | 15 | 15 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | W 7 | SSE 4 | W 10 | W 10 | W 9 | W 8 | WSW 8 | W 8 | W 8 | W 9 | SW 6 | WNW 11 | W 10 | W 10 | WSW 6 | W 9 | W 8 | W 7 | W 15 | WNW 13 | W 12 |
| kJ | 8 | 1 | 18 | 31 | 41 | 37 | 23 | 12 | 11 | 27 | 65 | 150 | 167 | 125 | 44 | 63 | 90 | 31 | 819 | 1922 | 956 |
Swell 2 Height (m) Direction Period (s) | SE 3 | WSW 7 | WSW 8 | WSW 7 | NW 6 | NW 7 | SE 4 | SE 4 | W 10 | W 13 | W 11 | SW 6 | SW 5 | WSW 7 | W 10 | WSW 6 | — | W 8 | — | — | — |
| kJ | 2 | 5 | 11 | 10 | 2 | 2 | 5 | 1 | 8 | 28 | 123 | 22 | 10 | 37 | 67 | 28 | — | 36 | — | — | — |
Swell 3 Height (m) Direction Period (s) | WNW 7 | WNW 7 | SSE 4 | NW 6 | W 6 | — | NW 7 | W 11 | W 14 | — | SSE 4 | W 6 | — | — | — | W 9 | — | W 17 | — | — | — |
| kJ | 5 | 4 | 1 | 2 | 1 | — | 2 | 2 | 4 | — | 2 | 11 | — | — | — | 2 | — | 52 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 2 | E 3 | — | ENE 4 | ESE 4 | S 4 | — | — | W 6 | — | — | — | NW 4 | NNW 3 | WNW 9 | — | N 3 |
| kJ | — | — | — | — | 1 | 3 | — | 37 | 25 | 31 | — | — | 12 | — | — | — | 24 | 3 | 232 | — | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 525 | 287 | 344 | 622 | 49 | 597 | 912 | 560 | 392 | 165 | 44 | 121 | 121 | 73 | 156 | 359 | 43 | 44 | 158 | 36 | 28 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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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 16 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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