A northeasterly, strong and mostly variable flow prevails over the South of the basin. Over the North, it is southwesterly, very strong and variable.
For Marennes :
No gale warning.
We are 90% sure of the situation, because the cloud cover could be thicker than forecast.
Hazy skies. No precipitation. In the evening, hazy cloud giving way to increasingly brighter skies.
No precipitation. NE force 3 in the middle of the day turning N in the evening. Gusts reaching 16 knots. Smooth sea. Low, short swell from ESE. Excellent visibility.