For Les sables d"olonne :
No gale warning.
The reliability of the situation is assessed at 90%.
Overcast in the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy skies becoming totally overcast.
No precipitation. NNW force 3 in the morning becoming NW force 4 in the middle of the day. Gusts reaching 20 knots in the evening. Smooth to slight sea. Low, fairly long swell from SSW. Good visibility becoming excellent in the middle of the day then excellent.