A northeasterly and weak flow prevails over the South of the basin. Over the North, it is westerly, moderate and mostly variable.
For Bretignolles-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Clear skies becoming somewhat cloudy. In the evening, clear skies.
WNW force 4 in the middle of the day becoming NW force 3 in the evening. Gusts reaching 16 knots in the middle of the day. Slight sea. Low, short swell from WSW. Excellent visibility.