For Saint-Briac-sur-Mer :
No gale warning.
For the night from Sunday to Monday NNW force 2 in the early part of the night becoming force 1. Gusts reaching 10 knots in the early part of the night.
Smooth to slight sea becoming slight at the end of the night. Low, fairly long swell from NW then from N in the middle of the night. Excellent visibility becoming good in the middle of the night then poor. Daytime of Monday 24 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of some spots of rain in the morning, showers late in the day. In the evening, good clear periods but lots of cloud, too.
Light showers. NNW force 1 becoming force 2 in the middle of the day then force 3. Gusts reaching 13 knots in the evening. Slight sea. Low from N. Poor visibility becoming excellent in the middle of the day then good.