For Batz-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Very cloudy skies with short clear spells. No precipitation. In the evening, skies with few clouds.
SW force 3 becoming SSW force 2 in the middle of the day then W. Slight sea. Low, short swell from WSW. Poor visibility becoming good in the middle of the day then poor.