A northerly and very variable flow prevails over the North-East of the basin. Over the South and the West, it is easterly, moderate and variable.
For Mesquer :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, skies with few clouds.
ENE wind force 3 from the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from WSW. Excellent visibility.