A southeasterly, weak and particularly variable flow prevails over the North-West of the basin. Over the South and the East, it is northwesterly, weak and particularly variable.
For Saint-Malo - Port Vauban :
No gale warning.
For the night from Sunday to Monday NNE force 2 becoming force 1 in the middle of the night then NE. Gusts reaching 15 knots in the early part of the night.
Smooth sea. Low, fairly long swell from WNW then from N in the middle of the night. Excellent visibility becoming good at the end of the night. Daytime of Monday 24 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Showers in late morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers S force 1 turning NNW force 2 in the middle of the day then becoming force 3. Gusts reaching 15 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low from N. Good visibility becoming excellent in the middle of the day.