For Château d"Oléron :
No gale warning.
The reliability of the situation is assessed at 75%.
Cloud and sun in the morning, very cloudy skies to overcast in the afternoon. Risk of some spots of rain in the morning, showers in the afternoon. In the evening, very cloudy.
Light showers. SW wind force 5 continuing all day. Gusts reaching 32 knots in the middle of the day. Smooth sea. Low, short swell from NW. Excellent visibility.