A northeasterly, strong and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and variable.
For Mortagne-sur-Gironde :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny despite some cloudy spells but no rain. In the evening, cloud and long sunny periods.
No precipitation. NNE wind force 3 continuing all day. Gusts reaching 16 knots in the morning. Smooth sea. Low, short swell from S then from N in the middle of the day. Good visibility becoming excellent in the middle of the day.