A southerly and very variable flow prevails over the North-East of the basin. Over the South and the West, it is westerly, moderate and variable.
For Plage de Portrieux :
Warning strong breeze offshore.
The reliability of the situation is assessed at 85%.
In the evening, good clear periods but cloud building.
Light showers progressively becoming less frequent. W wind force 5. Gusts reaching 30 knots in the evening. Smooth to slight sea. Low, short swell from N. Excellent visibility.