A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and very variable.
For Pornic :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear skies.
NE force 3 in the middle of the day turning NNW in the evening. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Excellent visibility.