For Château d"Oléron :
No gale warning.
The reliability of the situation is assessed at 80%.
Lots of good clear periods. No precipitation. In the evening, fair weather with mostly clear skies.
ESE force 1 in the middle of the day becoming E force 2 in the evening. Gusts reaching 8 knots in the evening. Rippled sea. Low, short swell from NE. Excellent visibility becoming good in the evening.