- Forecast
- Maps
- Live
- Weather State
- Spot Information
Sion sur l'Ocean surfForecast / Vendee / France
12 Day Weather and Surf, issued 1 am Sunday 15 Jun 2025 CEST
Best Forecast Surf Conditions for Sion sur l'Ocean this week:
The surf forecast for Sion sur l'Ocean over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 18) at 8AM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.4m and 4s. Another secondary swell of 0.5m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sion sur l'Ocean in the next 12 days are 0.9m 10s and forecast to arrive on Sunday (Jun 15) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Jun 17) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 18th Jun) | 1.5ft (0.5m) 8s |
| Best Surf | 8AM (Wed 18th Jun) | 1.5ft (0.5m) 8s |
| Most Powerful | 8AM (Sun 15th Jun) | 3ft (0.9m) 10s |
Table - best surf conditions forecast for Sion sur l'Ocean over the next 12 days.
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | 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) (?) | 10 | 9 | 8 | 8 | 8 | 7 | 9 | 7 | 8 | 10 | 10 | 9 | 9 | 9 | 10 | 9 | 10 | 10 | 9 | 8 | 8 | 8 | 13 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 148 | 102 | 60 | 53 | 42 | 33 | 23 | 35 | 37 | 48 | 67 | 45 | 28 | 33 | 36 | 29 | 51 | 54 | 46 | 33 | 21 | 16 | 48 | 80 | 91 | 121 | 119 | 99 | 212 | 104 | 85 | 45 | 28 | 31 | 80 | 240 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross | cross | on | cross | cross- off | on | cross | cross- off | cross- on | cross | cross- off | cross- on | on | cross | on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | on | cross- off | off | cross | cross | off | cross- on | cross- off | cross- on | cross | cross- on |
High Tide / height (m) | 7:56PM 3.93 | 8:20AM 3.60 | 8:41PM 3.86 | 9:11AM 3.51 | 9:34PM 3.77 | 10:12AM 3.43 | 10:38PM 3.70 | 11:26AM 3.42 | 11:53PM 3.67 | 12:44PM 3.51 | 1:10AM 3.73 | 1:53PM 3.68 | 2:19AM 3.85 | 2:53PM 3.88 | 3:21AM 3.98 | 3:48PM 4.09 | 4:17AM 4.10 | 4:39PM 4.26 | 5:09AM 4.17 | 5:28PM 4.38 | 5:58AM 4.17 | 6:15PM 4.41 | ||||||||||||||
Low Tide / height (m) | 2:18PM 0.68 | 2:48AM 0.62 | 3:03PM 0.75 | 3:36AM 0.67 | 3:53PM 0.83 | 4:28AM 0.72 | 4:47PM 0.89 | 5:24AM 0.74 | 5:47PM 0.90 | 6:24AM 0.73 | 6:51PM 0.85 | 7:27AM 0.67 | 7:55PM 0.71 | 8:28AM 0.57 | 8:58PM 0.52 | 9:27AM 0.44 | 9:56PM 0.31 | 10:21AM 0.31 | 10:51PM 0.13 | 11:13AM 0.22 | 11:43PM 0.02 | 12:02PM 0.17 | 12:32AM 0.00 | |||||||||||||
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||||||
| Sunrise | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:15 | - | - | 6:15 | - | - |
| Sunset | - | 10:02 | - | - | 10:02 | - | - | 10:04 | - | - | 10:04 | - | - | 10:04 | - | - | 10:04 | - | - | 10:05 | - | - | 10:05 | - | - | 10:05 | - | - | 10:05 | - | - | 10:05 | - | - | 10:05 | - |
 | |  | | | | | | | | | | | |  |  | | |  | | | | | | | | | | | | | |  |  |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | 3 |
| Temp. °C | 17 | 17 | 17 | 19 | 24 | 23 | 23 | 26 | 25 | 25 | 30 | 31 | 27 | 28 | 27 | 24 | 23 | 19 | 16 | 17 | 18 | 20 | 22 | 21 | 22 | 25 | 25 | 26 | 30 | 25 | 22 | 27 | 28 | 19 | 19 | 19 |
| Feels °C (?) | 16 | 15 | 13 | 17 | 19 | 19 | 21 | 23 | 20 | 23 | 29 | 28 | 26 | 26 | 26 | 22 | 20 | 17 | 14 | 15 | 18 | 20 | 20 | 19 | 20 | 21 | 20 | 22 | 26 | 22 | 21 | 26 | 27 | 17 | 16 | 14 |
Short Range Forecast: Mostly dry. Warm (max 26°C on Tue afternoon, min 15°C on Sun morning). Wind will be generally light. | Days 3-6 Weather Summary Some drizzle, heaviest during Fri morning. Warm (max 31°C on Wed night, min 15°C on Fri night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 15°C on Sat morning). Wind will be generally light. | Long Range Forecast: Light rain (total 8mm), mostly falling on Thu morning. Warm (max 30°C on Tue afternoon, min 16°C on Wed morning). Winds increasing (light winds from the WSW on Wed afternoon, strong winds from the WSW by Fri morning). | |||||||||||||||||||||||||||||||||
- 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 Sion sur l'Ocean 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 Sion sur l'Ocean Surf forecast
The above surf forecast table for Sion sur l'Ocean provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sion sur l'Ocean can be found by selecting the local surf guide option on the grey menu. Our Sion sur l'Ocean 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 (Sion sur l'Ocean) 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 Sion sur l'Ocean 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.
Are you planning a holiday in Vendee? If you are looking for accommodation near Sion sur l'Ocean, camping, hotels and holiday cottages in Vendee, consider staying in Challans which is 17 km (11 miles) away. Other places in and around Vendee where you can find information about places to rent, and car hire include Les Sables-d'Olonne which is 28 km (17 miles) away, La Roche-sur-Yon, Nantes Aeroport Atlantique and Coueron.
Nearest