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Sion sur l'Ocean surfForecast / Vendee / France
48hr Weather and Surf, issued 7 am Sunday 17 May 2026 CESTForecast 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
15.0° C
(Which is normal for this time of year)How big are the waves at Sion sur l'Ocean today?
The current surf forecast for Sion sur l'Ocean at 11AM is: 1.1m 5s primary swell from a West-northwest direction and 0.3m 13s secondary swell from a West direction, 0.1m 16s secondary swell from a West direction (forecast issued at 07:00am May 17). The wind direction is predicted to be onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4ft (1.2m) | 5s |
| Afternoon (17 May) | 3ft (0.9m) | 7s |
| Evening (17 May) | 4.5ft (1.3m) | 14s |
Table - waves today at Sion sur l'Ocean. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Very mild (max 15°C on Tue morning, min 12°C on Sun morning). Winds increasing (light winds from the WSW on Mon morning, strong winds from the SW by Mon night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 5 | W 5 | WNW 5 | W 7 | W 15 | W 14 | W 13 | W 13 | WNW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WSW 6 | WSW 7 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | |
43 | 70 | 69 | 86 | 109 | 577 | 694 | 569 | 874 | 383 | 377 | 413 | 336 | 330 | 216 | 118 | 275 | 537 | 560 | 563 | 468 | 380 | 338 | 293 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | on | on | cross-on | on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 5:22AM4.54m | 5:42PM4.60m | 6:08AM4.49m | 6:26PM4.58m | 6:55AM4.32m | 7:13PM4.44m | ||||||||||||||||||
Low Tide | 11:44AM-0.12m | 00:10AM-0.23m | 12:31PM-0.06m | 00:59AM-0.18m | 1:20PM0.08m | 1:50AM-0.01m | ||||||||||||||||||
 |  |  |  |  | |  | |  | | | | | | | | |  | | | | |  | | |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | 6:28 |
 | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | 9:39 |
2 | 2 | — | — | — | — | — | — | 1 | 2 | 1 | 2 | — | — | 1 | 3 | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 13 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
10 | 6 | 7 | 9 | 9 | 8 | 8 | 9 | 8 | 9 | 10 | 11 | 10 | 10 | 7 | 5 | 7 | 9 | 9 | 9 | 10 | 10 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 14 | W 14 | W 13 | W 13 | W 15 | WNW 14 | WNW 13 | W 13 | WNW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WNW 11 | WNW 11 | W 16 | W 16 | WNW 8 | W 15 | WSW 8 | WSW 8 |
 kJ | 16 | 14 | 31 | 28 | 109 | 273 | 384 | 569 | 874 | 383 | 377 | 413 | 336 | 330 | 216 | 118 | 167 | 68 | 5 | 5 | 127 | 4 | 338 | 293 |
Swell 2 Height (m) Direction Period (s) | — | — | W 16 | W 16 | W 12 | — | — | — | — | — | W 5 | — | — | — | — | — | — | — | — | — | W 15 | W 15 | W 15 | W 14 |
| kJ | — | — | 5 | 20 | 26 | — | — | — | — | — | 22 | — | — | — | — | — | — | — | — | — | 4 | 17 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 19 | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | WNW 5 | W 7 | W 7 | W 14 | W 13 | — | W 13 | W 5 | — | — | — | — | SW 4 | SW 5 | WSW 6 | WSW 7 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | — | — |
| kJ | 43 | 70 | 69 | 86 | 73 | 577 | 694 | — | 640 | 27 | — | — | — | — | 26 | 73 | 275 | 537 | 560 | 563 | 468 | 380 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 254 | 153 | 153 | 130 | 63 | 370 | 370 | 370 | 88 | 88 | 63 | 49 | 56 | 41 | 41 | 147 | 147 | 147 | 282 | 345 | 369 | 369 | 368 | 88 |
Best forecast wave conditions in Vendee | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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