A northwesterly, moderate and very variable flow prevails over the whole area.
For Mortagne-sur-Gironde :
Warning strong breeze offshore.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. Risk of showers in the morning, possibility of showers in late afternoon. In the evening, skies with few clouds.
NW force 2 becoming WNW force 3 in the middle of the day then NW. Gusts reaching 21 knots in the middle of the day. Smooth sea. Low, short swell from W. Good visibility becoming excellent in the middle of the day.