A northeasterly, moderate and mostly variable flow prevails over the whole area.
For Pornichet :
No gale warning.
The reliability of the situation is assessed at 95%.
Sunny spells with possibility of mist forming in the morning, cloud and sun in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NE force 3 in the morning temporarily ENE force 4 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea. Low, short swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day.