An easterly, strong and mostly variable flow prevails over the whole area.
For Saint-Denis-d"Oléron :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
In the evening, lots of good clear periods.
Light showers. ESE wind force 3. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility.