For Mouillage de Saint-Cast :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday W force 2 in the early part of the night turning SW. Gusts reaching 12 knots in the middle of the night.
Slight sea. Low, fairly long swell from WNW. Good visibility becoming reduced by mist in the middle of the night. Daytime of Thursday 17 september : The day will be unsettled and very humid.
Sun but cloud increasing in the morning, overcast skies in the afternoon. Risk of some spots of rain in the morning, drizzle followed by showers in the afternoon. In the evening, clear periods developing.
Light showers progressively becoming less frequent. SW force 3 becoming WSW force 4 in the middle of the day then W force 3. Gusts reaching 24 knots in the middle of the day. Slight sea. Low, short swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then poor.