A northeasterly and very variable flow prevails over the South and the West of the basin. Over the North-East, it is southwesterly, moderate and very variable.
For Pornic :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Mist and fog in the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy.
Chance of light rain. NNW wind force 3 continuing all day. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day.