A northeasterly and variable flow prevails over the South-West of the basin. Over the North and the East, it is northwesterly, moderate and variable.
For Mers-les-Bains :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies becoming less cloudy. No precipitation. In the evening, clear skies.
NNW wind force 3 from the middle of the day. Gusts reaching 16 knots. Smooth sea. Low, short swell from NNW. Excellent visibility becoming excellent in the evening.