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 Marennes :
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 20 knots in the evening. Rippled sea. Low, long swell from NW. Visibility reduced by dense fog becoming reduced by mist in the middle of the day then excellent.