A northerly and mostly variable flow prevails over the East of the basin. Over the West, it is southerly, strong and mostly variable.
For Saint-Jouan-Des-Guerets :
No gale warning.
The reliability of the situation is assessed at 90%.
Very cloudy. No precipitation. In the evening, lots of good clear periods.
No precipitation. N wind force 2 from the middle of the day. Gusts reaching 11 knots in the middle of the day. Smooth sea. Low, fairly long swell from NW. Poor visibility becoming good in the evening.