A westerly, moderate and very variable flow prevails over the whole area.
Für Saint-Briac-sur-Mer :
No gale warning.
For the night from Sunday to Monday NNW wind force 1 continuing all night. Gusts reaching 13 knots until the middle of the night.
Smooth to slight sea. Low, fairly long swell from WNW. Good visibility becoming good in the middle of the night then poor. Daytime of Monday 21 september : The sky will remain changeable.
Cloud and long sunny periods. Risk of some spots of rain in the morning, possibility of showers in late afternoon. In the evening, lots of good clear periods.
Light showers. NNW force 1 freshening force 3 in the middle of the day then becoming N. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then excellent.