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Ile d'Oleron - Chassiron Surf Forecast
/ Charente Maritime (28 surf breaks) /
Surf Forecasts:
Ile d'Oleron - Chassiron surfForecast / Charente Maritime / France
12 Day Weather and Surf, issued 1 am Thursday 18 Sep 2025 CEST
Best Forecast Surf Conditions for Ile d'Oleron - Chassiron this week:
The surf forecast for Ile d'Oleron - Chassiron over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 8AM. The primary swell is predicted to be 1.5m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ile d'Oleron - Chassiron in the next 12 days are 1.6m 13s and forecast to arrive on Thursday (Sep 18) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Sep 20) at 2PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 18th Sep) | 5ft (1.5m) 13s |
| Best Surf | 8AM (Thu 18th Sep) | 5ft (1.5m) 13s |
| Most Powerful | 11AM (Thu 18th Sep) | 5ft (1.6m) 13s |
Table - best surf conditions forecast for Ile d'Oleron - Chassiron over the next 12 days.
Short Range Forecast Light rain (total 2mm), mostly falling on Sat night. Warm (max 27°C on Thu night, min 15°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the SSE by Fri night). | Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Tue morning. Very mild (max 18°C on Sun morning, min 14°C on Mon morning). Winds increasing (light winds from the SW on Sun afternoon, near gales from the SSW by Tue morning). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 13 | 10 | 13 | 7 | 8 | 8 | 5 | 6 | 12 | 11 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 826 | 638 | 344 | 259 | 198 | 192 | 146 | 134 | 262 | 326 | 484 | 173 | 268 | 170 | 109 | 439 | 196 | 42 | 23 | 26 | 37 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- off | off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross- off | cross | cross | off | off | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 3:59PM 4.18 | 4:26AM 4.09 | 4:40PM 4.43 | 5:03AM 4.28 | 5:15PM 4.59 | 5:35AM 4.40 | 5:45PM 4.65 | 6:01AM 4.46 | 6:10PM 4.64 | 6:22AM 4.46 | 6:31PM 4.56 | 6:40AM 4.41 | 6:50PM 4.42 | ||||||||
Low Tide / height (m) | 8:55AM 1.09 | 9:32PM 0.77 | 9:48AM 0.75 | 10:18PM 0.46 | 10:32AM 0.44 | 10:57PM 0.21 | 11:10AM 0.20 | 11:32PM 0.05 | 11:46AM 0.06 | 12:07AM -0.01 | 12:21PM 0.03 | 12:40AM 0.05 | 12:55PM 0.10 | 1:13AM 0.20 | |||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 7:46 | - | - | 7:47 | - | - | 7:48 | - | - | 7:50 | - | - | 7:50 | - | - | 7:52 | - | - | 7:54 | - | - |
| Sunset | - | 8:12 | - | - | 8:09 | - | - | 8:07 | - | - | 8:06 | - | - | 8:04 | - | - | 8:01 | - | - | 8:00 | - |
 | |  |  | |  | |  |  | | | |  |  |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | - | - | 1 | 4 | 1 | 10 | 9 | 4 | 1 | - | - | - |
| Temp. °C | 16 | 24 | 27 | 22 | 26 | 26 | 20 | 24 | 20 | 18 | 17 | 18 | 16 | 17 | 17 | 17 | 18 | 17 | 15 | 19 | 19 |
| Feels °C (?) | 15 | 21 | 23 | 16 | 25 | 25 | 22 | 24 | 18 | 14 | 14 | 15 | 12 | 12 | 11 | 7 | 13 | 12 | 9 | 14 | 13 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Charente Maritime
Cross-on wind has become light (light winds from the N at Ile de Ré (PSL LOIX) 21 km from Ile d'Oleron - Chassiron). 1.1m 13s groundswell from the W with a 0.5m 13s groundswell, also from the W. 2 swells combining to make bigger set waves.
21 km away, 1 h 23 min ago
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Information about the Ile d'Oleron - Chassiron Surf forecast
The above surf forecast table for Ile d'Oleron - Chassiron provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ile d'Oleron - Chassiron can be found by selecting the local surf guide option on the grey menu. Our Ile d'Oleron - Chassiron 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 (Ile d'Oleron - Chassiron) 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 Ile d'Oleron - Chassiron 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.
Ile d'Oleron - Chassiron is 20 km (12 miles) from the city of La Pallice. If you plan a holiday in Charente Maritime, look for hotels and other accommodation in La Pallice. La Pallice has rooms for a wide range of budgets as well as car hire and transport links.
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