A northerly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, weak and variable.
For Plage de Postolonnec :
No gale warning.
The reliability of the situation is assessed at 90%.
Good clear periods but cloud building. No precipitation. In the evening, fair weather with mostly clear skies.
N wind force 4 from the middle of the day. Gusts reaching 24 knots in the evening. Smooth sea. Low, short swell from SW. Excellent visibility.