A northerly and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and variable.
For Saint-Malo - Port Vauban :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods but with plenty of cloud in the morning, sunny in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, clear skies.
W force 2 in the morning turning NW force 3 in the middle of the day. Gusts reaching 17 knots in the middle of the day. Smooth sea. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day.