A northerly, strong and very variable flow prevails over the West of the basin. Over the South-East, it is easterly, moderate and very variable. Over the North-East, it is southerly, moderate and very variable.
For Saint-Denis-D"Oleron :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, relatively clear skies becoming changeable.
SSE force 4 in the middle of the day turning ESE force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.