A northerly and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Saint-Malo - Port Vauban :
No gale warning.
The reliability of the situation is poor.
For the night from Friday to Saturday NW wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea. Low, short swell from WNW. Excellent visibility becoming good at the end of the night. Daytime of Saturday 15 august : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, clear skies.
NNW force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from WNW. Poor visibility becoming excellent in the middle of the day then good.