A northwesterly and very variable flow prevails over the whole area.
Für Pornichet :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation in the morning, possibility of showers in the afternoon. In the evening, clear periods developing.
Possibility of showers WNW force 3 in the morning turning NNW in the evening. Gusts reaching 19 knots in the middle of the day. Moderate sea becoming slight in the evening. Moderate, fairly long swell from WSW then low in the middle of the day then from W. Excellent visibility becoming excellent in the middle of the day then good.