For De Saint-Nazaire à Nantes :
No gale warning.
We are 80% sure of the situation, because it is possible that the change in the rain system may not be as clear as forecast.
In the evening, overcast skies with risk of thundery outbreaks.
Showers. WSW wind force 1. Gusts reaching 8 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Poor visibility.