An easterly, moderate and mostly variable flow prevails over the whole area.
For Saint-Denis-D"Oleron :
No gale warning.
The reliability of the situation is assessed at 90%.
Good clear periods but cloud building. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. NNE wind force 4 from the middle of the day. Gusts reaching 18 knots. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from WNW. Excellent visibility.