A southwesterly, strong and mostly variable flow prevails over the whole area.
For Saint-Malo - Port Vauban :
Warning moderate gale offshore.
The reliability of the situation is assessed at 95%.
Very cloudy skies to overcast. No precipitation. In the evening, overcast skies.
Chance of light rain. S force 4 in the morning becoming force 5 in the middle of the day. Gusts reaching 36 knots in the evening. Smooth to slight sea. Low, long swell from WNW. Poor visibility becoming excellent in the middle of the day.