A westerly, strong and very variable flow prevails over the whole area.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 90%.
Overcast with reduced visibility in the morning, cloud and sun in the afternoon. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, relatively clear skies becoming changeable.
WSW force 5 turning WNW in the middle of the day then becoming force 4. Gusts reaching 28 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming good in the middle of the day then excellent.