For Mouillage de Saint-Cast :
No gale warning.
For the night from Saturday to Sunday NNW force 2 in the early part of the night turning WNW. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WNW. Good visibility becoming poor in the middle of the night then good. Daytime of Sunday 16 august : The unsettled weather will become more unpredictable in the second half of the day.
Skies changeable to very cloudy. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Light showers. WNW force 2 becoming NW force 3 in the middle of the day then NNW. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day then good.