For Château d"Oléron :
No gale warning.
The reliability of the situation is assessed at 75%.
Very cloudy. No precipitation. In the evening, very cloudy skies to overcast.
Light rain gradually becoming less frequent. W wind force 4 from the middle of the day. Gusts reaching 19 knots in the evening. Rippled sea. Low, short swell from NW. Excellent visibility.