A northeasterly and very variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and very variable.
Für Auray - Saint-Goustan :
No gale warning.
For the night from Sunday to Monday N wind force 2 continuing all night. Gusts reaching 12 knots until the middle of the night.
Smooth to slight sea. Low, short swell from W. Good visibility becoming poor in the middle of the night then poor. Daytime of Monday 21 september : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, light cloudy spells.
NNE force 2 in the morning turning NW in the middle of the day. Gusts reaching 15 knots in the evening. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then excellent.