An easterly, weak and very variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and very variable.
For La Bernerie en Retz :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Warm sun all day. In the evening, clear skies.
ENE force 3 turning SW in the middle of the day then WNW force 4. Gusts reaching 18 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Excellent visibility.