A northerly, very strong and mostly variable flow prevails over the North of the basin. Over the South-West, it is southeasterly, very strong and variable. Over the South-East, it is southwesterly, moderate and mostly variable.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 95%.
Skies changeable to very cloudy. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. E force 3 becoming force 2 in the middle of the day then ESE force 1. Smooth to slight sea. Low, fairly long swell from W. Poor visibility becoming good in the middle of the day then excellent.