For Château d"Oléron :
No gale warning.
We are 95% sure of the situation, because the clear patches could move in later than forecast.
Very cloudy. No precipitation. In the evening, clear periods developing.
No precipitation. WSW force 4 in the middle of the day becoming W force 3 in the evening. Gusts reaching 17 knots in the middle of the day. Smooth sea. Low, short swell from NW. Excellent visibility becoming good in the evening.