A northwesterly and very variable flow prevails over the North and the East of the basin. Over the South-West, it is easterly, moderate and variable.
For Fort-Mahon-Plage :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, fair weather with mostly clear skies.
N force 3 becoming NNW force 4 in the middle of the day then NNE. Gusts reaching 21 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from W. Good visibility becoming excellent in the middle of the day.