A westerly, very strong and mostly variable flow prevails over the whole area.
For Pornic :
Warning moderate gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Good clear periods but with plenty of cloud in the morning, overcast skies in the afternoon. Risk of showers in the morning, showers in the afternoon. In the evening, overcast skies.
Spells of light rain during the night. WSW force 5 turning WNW in the middle of the day then W force 3. Gusts reaching 33 knots in the middle of the day. Slight sea temporarily moderate in the middle of the day. Low, fairly long swell from W. Excellent visibility becoming excellent in the middle of the day then good.