For La Roche-Velaine :
No gale warning.
We are 80% sure of the situation, because hail may not be as easy to predict.
Overcast skies with risk of thundery outbreaks. Showers with possibility of hail in the morning, light showers in the afternoon. In the evening, overcast skies with risk of thundery outbreaks.
Showers with the possibility of hail. SW force 4 in the morning becoming WSW force 5 in the evening. Gusts reaching 32 knots. Smooth to slight sea temporarily smooth in the middle of the day. Low, fairly long swell from WNW. Excellent visibility.