For Les sables d"olonne :
No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Overcast with reduced visibility in the morning, increasing sunny spells in the afternoon. Some light showers in the morning, possibility of showers in the afternoon. In the evening, very cloudy.
No precipitation. NNW force 3 in the morning freshening force 5 in the middle of the day. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day.