Surf Forecasts:
Belle Ile surf forecast from 8 Sep 2026:
- Best quality surf: Sunday 13 Sep, 11AM (local time) - 3.5ft (1.1m), 11s period, WNW swell with glassy winds.
- Most powerful swell: Wednesday 9 Sep, 2AM (local time) - 6ft (1.9m), 9s period, W swell with 575 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 5AM (local time) - 2.5ft (0.8m), 9s period with WNW swell.
Best Forecast Surf Conditions for Belle Ile this week:
The surf forecast for Belle Ile over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 5AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.6m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Belle Ile in the next 16 days are 1.9m 9s and forecast to arrive on Wednesday (Sep 09) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Sep 15) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 10th Sep) | 2.5ft (0.8m) 9s |
| Best Surf | 11AM (Sun 13th Sep) | 3.5ft (1.1m) 11s |
| Most Powerful | 2AM (Wed 9th Sep) | 6ft (1.9m) 9s |
Table - best surf conditions forecast for Belle Ile over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Fri afternoon, min 15°C on Wed night). Winds decreasing (strong winds from the WNW on Tue night, calm by Thu afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | W 9 | W 9 | WNW 9 | NW 10 | WNW 9 | WNW 8 | W 8 | W 10 | W 9 | W 9 | W 8 | W 8 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 575 | 215 | 203 | 181 | 53 | 41 | 41 | 431 | 246 | 186 | 103 | 82 | 157 | 292 | 270 | 214 | 113 | 79 | 73 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-off | off | on | on | cross-on | on | cross-off | cross-off | on | cross | glassy | on | cross | cross-off | on | cross-off |
High Tide | 4:15AM3.81m | 4:31PM4.21m | 4:57AM4.06m | 5:11PM4.44m | 5:34AM4.23m | 5:49PM4.55m | 6:09AM4.31m | 6:23PM4.52m | 6:41AM4.28m | 6:55PM4.39m | 7:11AM4.18m | 7:26PM4.16m | |||||||
Low Tide | 9:47PM0.46m | 10:04AM0.46m | 10:35PM0.15m | 10:49AM0.17m | 11:17PM-0.07m | 11:30AM-0.02m | 11:56PM-0.16m | 12:09PM-0.09m | 00:32AM-0.12m | 12:46PM-0.04m | 1:08AM0.03m | 1:23PM0.13m | 1:43AM0.28m | ||||||
 | | |  |  | | | |  |  | | | | | | | | | | |
 | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:48 | — | — |
 | 8:39 | — | 8:37 | — | — | 8:36 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 16 | 18 | 18 | 15 | 17 | 18 | 18 | 19 | 20 | 16 | 18 | 18 | 18 | 20 | 21 | 19 | 23 | 23 |
Feels °C | 10 | 12 | 13 | 13 | 14 | 15 | 16 | 16 | 18 | 16 | 15 | 17 | 16 | 16 | 19 | 18 | 19 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | WNW 9 | NW 10 | WNW 9 | WNW 8 | NW 8 | W 10 | W 9 | W 9 | W 8 | W 8 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | W 9 | W 9 |
| kJ | 575 | 215 | 203 | 181 | 53 | 41 | 17 | 431 | 246 | 186 | 103 | 82 | 157 | 292 | 270 | 214 | 113 | 79 | 73 |
Swell 2 Height (m) Direction Period (s) | — | WNW 9 | WSW 8 | W 8 | W 8 | WSW 8 | W 11 | — | — | — | W 16 | WNW 15 | WNW 13 | — | — | NW 4 | WNW 10 | NW 9 | WNW 10 |
| kJ | — | 168 | 92 | 64 | 46 | 19 | 9 | — | — | — | 21 | 73 | 131 | — | — | 4 | 43 | 23 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 13 | W 12 | W 12 | W 13 | — | — | — | W 16 | WNW 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 11 | 3 | 4 | — | — | — | 21 | 10 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 2 | — | — | W 8 | — | — | — | ENE 3 | — | — | — | — | NNW 3 | ENE 2 | — | — |
| kJ | — | — | — | 2 | — | — | 41 | — | — | — | 1 | — | — | — | — | 5 | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 36 | 36 | 29 | 0 | 101 | 119 | 45 | 155 | 29 | 0 | 90 | 29 | 0 | 118 | 29 | 0 | 90 | 29 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
Header Global | |||||||||||||||||||
- 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 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 Surf forecast
The above surf forecast table for Belle Ile 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 can be found by selecting the local surf guide option on the grey menu. Our Belle Ile 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) 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 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 is 48 km (30 miles) from the city of Ploemeur. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Ploemeur. Ploemeur has rooms for a wide range of budgets as well as car hire and transport links.
Nearest