A southwesterly, moderate and mostly variable flow prevails over the whole area.
For Plage de Penthièvre :
No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Cloudy spells, sometimes dense. No precipitation. In the evening, very cloudy with risk of storms.
Light showers progressively becoming less frequent. WSW force 3 in the middle of the day becoming W force 4 in the evening. Gusts reaching 20 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the evening.