Sion sur l'Ocean surfForecast / Vendee / France

information circle12 Day Weather and Surf, issued 7 am Saturday 02 Aug 2025 CEST
Forecast update in hr  min  s Forecast update imminent
Sion sur l'Ocean surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sion sur l'Ocean sea temperature is
19.2° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Sion sur l'Ocean this week:

The most powerful waves expected at Sion sur l'Ocean in the next 12 days are 0.9m 11s and forecast to arrive on Tuesday (Aug 05) at 5PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Aug 06) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Tue 5th Aug)3ft (0.9m) 11s

Table - best surf conditions forecast for Sion sur l'Ocean over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Wed night, min 15°C on Wed morning). Wind will be generally light.

Saturday
02
Sunday
03
Monday
04
Tuesday
05
Wednesday
06
Thursday
07
Friday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
WNW
0.8
WNW
0.4
WNW
0.3
W
0.4
WNW
0.3
W
0.2
W
0.4
WNW
0.5
W
0.5
W
0.9
WNW
0.7
W
0.7
W
0.6
W
0.5
W
0.4
WNW
0.3
WNW
0.3
W
0.2
WNW
0.8
WNW
0.5
W
Period(s) (?)888888799911101010109981349
Wave
Graph
(?)Metric surfscale
Energy (?)60642819231494257622001181007560292430384160
Wind
(km/h)
10
NW
25
WNW
20
NE
5
NNW
25
NW
15
NNE
10
SSW
20
WNW
25
NW
20
N
25
NW
25
NE
15
ENE
5
NE
15
E
10
ESE
15
NW
15
N
15
NW
30
NW
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcrosscross-
on
oncross-
on
cross-
off
ononcross-
on
oncrosscross-
off
crosscross-
off
cross-
off
oncross-
on
ononcross-
on
High Tide
/ height (m)
10:45AM
3.14
11:19PM
3.04
12:14PM
3.02
1:15AM
2.96
2:03PM
3.08
2:44AM
3.08
3:10PM
3.28
3:39AM
3.29
3:58PM
3.54
4:21AM
3.53
4:36PM
3.83
4:57AM
3.77
5:11PM
4.10
Low Tide
/ height (m)
5:40PM
1.41
6:10AM
1.48
6:47PM
1.52
7:19AM
1.53
7:59PM
1.47
8:28AM
1.42
9:04PM
1.28
9:27AM
1.19
9:57PM
0.99
10:15AM
0.89
10:43PM
0.68
10:58AM
0.59
11:24PM
0.37
Saturday
02
Sunday
03
Monday
04
Tuesday
05
Wednesday
06
Thursday
07
Friday
08
Sunrise6:48--6:48--6:50--6:52--6:52--6:54--6:56--
Sunset-9:38--9:37--9:36--9:34--9:32--9:30--9:30-
clearclearclearclearpart cloudclearclearclearclearpart cloudclearclearpart cloudclearclearclearclearclearpart cloudpart cloudpart cloud
Rain (mm)
---------------------
Temp. °C171819182021222321192525192829252728232625
Feels °C (?)161416171618222118151819152425212223192019
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Vendee

  1. weather stationWind Update Continuing clean conditions at Sion sur l'Ocean (light winds from the N at LA Roche -Sur -Yon 46 km from Sion sur l'Ocean). 0.7m 8s swell from the WNW with a 0.3m 8s swell, also from the WNW. 2 swells combining to make bigger set waves.

    Sion sur l'Ocean
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46 km away, 49 min ago

7 km/h
N
0.0
19.2
Air / Water (°C)
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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 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.

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