A northerly flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, weak and mostly variable.
For Pornichet :
No gale warning.
The reliability of the situation is assessed at 95%.
Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, clear skies becoming somewhat cloudy.
WSW wind force 3 continuing all day. Gusts reaching 14 knots. Smooth to slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day.