A northerly, moderate and very 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 90%.
Good clear periods but lots of cloud, too. No precipitation. In the evening, lots of good clear periods.
No precipitation. WNW wind force 4 from the middle of the day. Gusts reaching 23 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility.