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Belle Ile Surf Forecast
/ Brittany – Morbihan (22 surf breaks) /
Surf Forecasts:
Belle Ile surfForecast / Brittany – Morbihan / France
12 Day Weather and Surf, issued 6 pm Thursday 18 Dec 2025 CETForecast update in hr min s Forecast update imminent
Belle Ile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belle Ile sea temperature is
13.6° C
(Which is 1.1°C warmer than normal for this time of year)Best Forecast Surf Conditions for Belle Ile this week:
The surf forecast for Belle Ile over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 19) at 10AM. The primary swell is predicted to be 3.5m and 17s period with a secondary swell of 1.3m and 10s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Belle Ile in the next 12 days are 4.0m 16s and forecast to arrive on Sunday (Dec 21) at 4PM. 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 Monday (Dec 22) at 7AM.
| Wave Type | Time (CET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Fri 19th Dec) | 11ft (3.5m) 17s |
| Best Surf | 10AM (Fri 19th Dec) | 11ft (3.5m) 17s |
| Most Powerful | 4PM (Sun 21st Dec) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Belle Ile over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 22mm), heaviest during Sat afternoon. Very mild (max 13°C on Thu afternoon, min 9°C on Sat night). Winds decreasing (near gales from the SSW on Thu afternoon, light winds from the WSW by Fri afternoon). | Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Tue morning. Very mild (max 11°C on Mon night, min 8°C on Tue night). Winds increasing (calm on Sun night, near gales from the SE by Tue morning). | ||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||
| 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) (?) | 19 | 17 | 17 | 16 | 16 | 14 | 14 | 13 | 15 | 16 | 16 | 16 | 15 | 13 | 12 | 11 | 11 | 10 | 12 | 11 | 11 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 16552 | 6317 | 7492 | 7436 | 5592 | 3009 | 2062 | 3370 | 6834 | 7525 | 6077 | 4069 | 3089 | 1667 | 902 | 783 | 452 | 384 | 566 | 475 | 275 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | ||
High Tide / height (m) | 4:01AM 3.76 | 4:20PM 3.65 | 4:34AM 3.86 | 4:53PM 3.70 | 5:08AM 3.92 | 5:27PM 3.72 | 5:42AM 3.94 | 6:01PM 3.69 | 6:17AM 3.93 | 6:36PM 3.63 | 6:53AM 3.88 | 7:14PM 3.56 | 7:32AM 3.80 | ||||||||||
Low Tide / height (m) | 9:48PM 0.75 | 10:12AM 0.65 | 10:26PM 0.67 | 10:51AM 0.57 | 11:04PM 0.62 | 11:29AM 0.54 | 11:40PM 0.60 | 12:06PM 0.55 | 12:16AM 0.62 | 12:44PM 0.59 | 12:54AM 0.67 | 1:23PM 0.65 | 1:33AM 0.75 | ||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||
| Sunrise | - | - | 8:55 | - | - | 8:56 | - | - | 8:56 | - | - | 8:56 | - | - | 8:56 | - | - | 8:57 | - | - | 8:57 | ||
| Sunset | 5:22 | - | - | 5:22 | - | - | 5:23 | - | - | 5:23 | - | - | 5:24 | - | - | 5:24 | - | - | 5:25 | - | - | ||
 |  |  |  |  |  | | |  |  |  |  | | |  | | | | |  | | |||
Rain (mm) | 6 | 4 | - | - | - | 1 | 5 | 4 | 2 | 2 | 1 | - | - | 1 | 12 | 3 | 3 | - | - | - | - | ||
| Temp. °C | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 9 | 10 | 8 | 4 | ||
| Feels °C (?) | 3 | 6 | 7 | 9 | 9 | 4 | 2 | 6 | 1 | 2 | 6 | 6 | 5 | 0 | 0 | -2 | -1 | 1 | 2 | -1 | -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 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 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 12 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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