A northeasterly, moderate and very variable flow prevails over the whole area.
Für Pornichet :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Relatively clear skies becoming changeable. In the evening, cloudy spells, sometimes dense.
No precipitation. ENE force 3 in the middle of the day becoming force 4 in the evening. Gusts reaching 21 knots. Smooth sea. Low, short swell from WSW. Excellent visibility.