For Mouillage de Saint-Cast :
No gale warning.
For the night from Tuesday to Wednesday WNW 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 poor in the middle of the night then poor. Daytime of Wednesday 26 august : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, sometimes dense. Some light showers in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers W force 2 in the morning turning NW force 3 in the middle of the day. Gusts reaching 13 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low from N. Poor visibility becoming excellent in the middle of the day.