For De Saint-Nazaire à Nantes :
No gale warning.
The reliability of the situation is assessed at 95%.
Skies very cloudy to overcast in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
SE wind force 2 continuing all day. Gusts reaching 10 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day.