A southeasterly, very strong and mostly variable flow prevails over the North of the basin. Over the South, a westerly gale is raging at sea.
For Mortagne-sur-Gironde :
Warning moderate gale offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, cloud and long sunny periods.
Light showers. WSW wind force 4. Gusts reaching 27 knots in the evening. Smooth to slight sea. Low, short swell from ENE. Excellent visibility.