A southeasterly, very strong and mostly variable flow prevails over the whole area.
For Mortagne-sur-Gironde :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
E force 4 in the morning turning SE in the middle of the day. Gusts reaching 23 knots in the evening. Smooth sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day.