An easterly and variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, moderate and very variable.
For Saint-Malo - Port Vauban :
No gale warning.
The reliability of the situation is fairly good.
For the night from Wednesday to Thursday NE force 2 turning ESE force 1 in the middle of the night then SSE. Gusts reaching 11 knots in the early part of the night.
Smooth to slight sea becoming smooth at the end of the night. Low, short swell from WNW. Excellent visibility. Daytime of Thursday 13 august : The weather will be good.
Warm sun all day. In the evening, clear skies.
SW force 1 freshening NNW force 3 in the middle of the day then becoming NW. Gusts reaching 19 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from ESE. Excellent visibility.