A westerly, moderate and mostly variable flow prevails over the whole area.
For Mortagne-sur-Gironde :
No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Overcast in the morning, very cloudy in the afternoon. Some light rain in the morning, no precipitation in the afternoon. In the evening, very cloudy.
Chance of light rain. WSW force 3 becoming W force 4 in the middle of the day then WSW. Gusts reaching 21 knots in the middle of the day. Smooth sea. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day.