A northeasterly, moderate and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Saint-Denis-d"Oléron :
No gale warning.
The reliability of the situation is assessed at 70%.
Cloud and long sunny periods. Risk of showers in the early hours. In the evening, clear periods developing.
Possibility of showers NNW wind force 4 from the middle of the day. Gusts reaching 21 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility.