For Mouillage de Saint-Cast :
No gale warning.
For the night from Wednesday to Thursday NNE wind force 2 continuing all night. Gusts reaching 13 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from NW. Excellent visibility becoming excellent in the middle of the night then good. Daytime of Thursday 24 september : The weather will become more uncertain during the day.
Sunny becoming changeable in the afternoon. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
No precipitation. NE wind force 2 continuing all day. Gusts reaching 13 knots in the evening. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from NW temporarily from N in the middle of the day. Good visibility becoming excellent in the middle of the day.