For Batz-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Some fair-weather cumulus clouds. In the evening, relatively clear skies becoming changeable.
W force 3 in the middle of the day becoming WNW force 4 in the evening. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from WSW. Excellent visibility.