A northeasterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, strong and 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.
Fair weather with mostly clear skies. In the evening, relatively cloudless skies clearing.
E wind force 3 continuing all day. Gusts reaching 13 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then good.