A northeasterly and variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and very variable.
For Plage de Porzic :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NNW force 2 in the morning turning WNW force 3 in the middle of the day. Gusts reaching 19 knots in the middle of the day. Smooth sea. Low, short swell from SW. Poor visibility becoming excellent in the middle of the day then good.