Sion sur l'Ocean Surf Guide

Sion sur l'Ocean in Vendee is an exposed reef break. Summer in particular tends to be flat. Offshore winds are from the southeast. Most of the surf here comes from groundswells and the best swell direction is from the west. Best around high tide. Even when there are waves, it's not likley to be crowded.

Sion sur l'Ocean Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Reef2rarely breaks
15.8°C*ocean temperature recorded from satellite

Surfing Sion sur l'Ocean:

The best conditions reported for surf at Sion sur l'Ocean occur when a West swell combines with an offshore wind direction from the Southeast.

What's the best time of year to surf Sion sur l'Ocean (for consistent clean waves)?

octoberBest Season: winter
The best time of year for surfing Sion sur l'Ocean with consistent clean waves (rideable swell with light / offshore winds) is during Winter  and most often the month of October. Clean surfable waves are typically found 32% of the time in October while 57% of the time it tends to be blown out. For the remaining 11% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.
clean
32%
Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.
blown out
57%
Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).
too small
11%
Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Sion sur l'Ocean Location Map

Interactive Sion sur l'Ocean surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Sion sur l'Ocean is Les Ajoncs (La Roche-sur-yon) Airport (EDM) in France, 46 km (29 miles) away (directly). The second nearest airport to Sion sur l'Ocean is Nantes Atlantique Airport (NTE), also in France, 57 km (35 miles) away.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Sion sur l'Ocean Surf Forecasts:
Todays Surf Summary
Tuesday, 5 May 2026, 16:06 Local Time
Tuesday 05Wed
5PM8PM11PM2AM
Wave (m)
0.8
NW
1.1
NW
1
NNW
1
NNW
Period (s) 5 5 5 4
Wind (km/h)
25
25
30
25
Wind State on cross-
on
cross-
on
cross-
on

Swell History at Sion sur l'Ocean

Surf stats for Sion sur l'Ocean, see the swell variation by month or season on the history page here.

Wind History at Sion sur l'Ocean

Wind stats for Sion sur l'Ocean, see the variation in direction and stength by month or season on the history page here.


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