An easterly and mostly variable flow prevails over the South-East of the basin. Over the West and the North, it is southwesterly, very strong and variable.
For Mortagne-sur-Gironde :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Dense and persistent fog in the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. ESE force 2 becoming SE force 3 in the middle of the day then force 4. Gusts reaching 21 knots in the evening. Rippled sea becoming smooth in the middle of the day. Low, fairly long swell from SSW. Visibility reduced by dense fog becoming poor in the middle of the day then excellent.