A southwesterly, moderate and variable flow prevails over the whole area.
For Piriac-sur-Mer :
Warning strong breeze offshore.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
In the evening, good clear periods but cloud building.
Light showers. S wind force 5. Gusts reaching 27 knots in the evening. Slight sea. Low, fairly long swell from W. Excellent visibility.