For La Roche-Velaine :
No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Very cloudy skies to overcast. Risk of showers in the morning, light showers in the afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. WNW wind force 4 continuing all day. Gusts reaching 24 knots in the morning. Smooth sea. Low, fairly long swell from WNW. Excellent visibility.