For Château d"Oléron :
No gale warning.
We are 90% sure of the situation, because the cloud system may be more intense than predicted.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
E force 4 in the morning turning SE in the middle of the day. Gusts reaching 19 knots in the middle of the day. Rippled sea. Low, fairly long swell from NNW. Excellent visibility.