For Château d"Oléron :
Warning strong breeze.
The reliability of the situation is assessed at 75%.
Overcast skies. Light rain. In the evening, overcast skies.
Spells of light rain during the night. WSW force 5 in the middle of the day becoming force 6 in the evening. Gusts reaching 35 knots in the evening. Smooth sea. Low, short swell from NW. Excellent visibility.