Surf Forecasts:
Belle Ile surf forecast from 4 Oct 2026:
- Best quality surf: Friday 9 Oct, 2AM (local time) - 3ft (0.9m), 12s period, WNW swell with cross-offshore winds.
- Most powerful swell: Saturday 10 Oct, 5AM (local time) - 6ft (1.9m), 11s period, WNW swell with 838 kJ wave energy.
- Next surfable swell (1★+): Monday 5 Oct, 2PM (local time) - 2ft (0.6m), 10s 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 Monday (Oct 05) at 2PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.1m and 15s. 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 11s and forecast to arrive on Saturday (Oct 10) at 5AM. 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 Thursday (Oct 08) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Mon 5th Oct) | 2ft (0.6m) 10s |
| Best Surf | 2AM (Fri 9th Oct) | 3ft (0.9m) 12s |
| Most Powerful | 5AM (Sat 10th Oct) | 6ft (1.9m) 11s |
Table - best surf conditions forecast for Belle Ile over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Warm (max 25°C on Mon night, min 15°C on Sun morning). Winds decreasing (fresh winds from the NE on Sun morning, light winds from the E by Tue night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Wed afternoon, min 12°C on Thu morning). Winds decreasing (strong winds from the N on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||||
AM | PM | 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) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 10 | WNW 12 | WNW 11 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 125 | 118 | 96 | 69 | 75 | 109 | 105 | 101 | 121 | 92 | 86 | 378 | 148 | 83 | 207 | 103 | 58 | 660 | 511 | 314 | 248 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | glassy | on | on | cross | on | cross-off |
High Tide | 11:23AM3.23m | 00:40AM3.01m | 1:19PM3.30m | 2:13AM3.22m | 2:35PM3.59m | 3:13AM3.52m | 3:29PM3.90m | 3:58AM3.81m | 4:12PM4.14m | 4:36AM4.03m | 4:50PM4.30m | 5:10AM4.18m | 5:24PM4.35m | ||||||||
Low Tide | 6:00PM1.15m | 6:34AM1.29m | 7:28PM1.02m | 7:54AM1.08m | 8:37PM0.75m | 8:56AM0.78m | 9:30PM0.45m | 9:45AM0.47m | 10:13PM0.21m | 10:28AM0.23m | 10:52PM0.05m | 11:07AM0.08m | 11:28PM0.00m | ||||||||
 |  | | | |  | |  |  |  | | | | | | | | | | | | |
 | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:18 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — |
 | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — |
mm | — | — | — | — | — | — | — | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 23 | 24 | 18 | 23 | 25 | 19 | 19 | 19 | 16 | 17 | 16 | 13 | 17 | 17 | 14 | 15 | 16 | 16 | 15 | 16 |
Feels °C | 9 | 19 | 19 | 13 | 21 | 21 | 16 | 18 | 19 | 13 | 12 | 10 | 6 | 14 | 15 | 14 | 13 | 12 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 10 | WNW 12 | WNW 11 | WNW 10 | WNW 10 |
| kJ | 125 | 118 | 96 | 69 | 75 | 109 | 105 | 101 | 121 | 92 | 86 | 378 | 148 | 83 | 207 | 103 | 58 | 147 | 511 | 314 | 248 |
Swell 2 Height (m) Direction Period (s) | — | SE 4 | SE 5 | — | ENE 3 | SSE 4 | — | — | SSE 4 | SSE 4 | — | — | WNW 13 | WNW 13 | — | — | W 15 | — | — | — | W 16 |
| kJ | — | 1 | 1 | — | 2 | 1 | — | — | 4 | 2 | — | — | 18 | 31 | — | — | 4 | — | — | — | 47 |
Swell 3 Height (m) Direction Period (s) | — | SE 5 | — | — | SSE 4 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | ENE 4 | NE 4 | ENE 4 | NNE 3 | ENE 4 | E 3 | SE 3 | NNW 3 | N 3 | NNW 5 | NNE 4 | NNE 4 | NNE 3 | — | W 3 | W 4 | WNW 12 | — | — | ENE 2 |
| kJ | 35 | 10 | 15 | 14 | 1 | 8 | 2 | 3 | 2 | 8 | 44 | 43 | 25 | 2 | — | 1 | 22 | 660 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 101 | 29 | 29 | 31 | 0 | 29 | 0 | 0 | 29 | 87 | 158 | 44 | 44 | 0 | 0 | 0 | 144 | 144 | 31 | 36 | 29 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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.
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