For stmarcouf :
Warning strong breeze.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Good clear periods but with plenty of cloud in the morning, overcast skies in the afternoon. No precipitation in the morning, light rain in late afternoon. In the evening, very cloudy with risk of storms.
Violent showers . warning: hail! SW force 3 turning S force 4 in the middle of the day then becoming force 6. Gusts reaching 36 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day then slight. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day.