For Chapelle sur erdre :
No gale warning.
The reliability of the situation is assessed at 95%.
Hazy skies in the morning, some sun but cloud building in the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. E force 2 in the morning temporarily force 3 in the middle of the day. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Poor visibility becoming good in the middle of the day then excellent.