A northerly and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 90%.
Little cloud in the morning, good clear periods with lots of cloud in the afternoon. No precipitation. In the evening, clear periods developing.
No precipitation. SSE force 2 turning W force 3 in the middle of the day then WNW force 4. Gusts reaching 19 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility.