For De Saint-Nazaire à Nantes :
No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Very cloudy skies with short clear spells. No precipitation. In the evening, very cloudy with risk of storms.
Showers. ESE wind force 3 continuing all day. Gusts reaching 21 knots in the middle of the day. Smooth sea. Low, fairly long swell from W. Good visibility becoming good in the middle of the day then excellent.