A westerly, strong and mostly variable flow prevails over the whole area.
For Pornichet :
Warning strong breeze offshore.
We are 80% sure of the situation, because hail may not be as easy to predict.
Very cloudy with risk of thundery outbreaks in the morning, then clear spells developing. Some light showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. W wind force 5 continuing all day. Gusts reaching 33 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Excellent visibility.