An easterly, very strong and very variable flow prevails over the North of the basin. Over the South, it is southwesterly, moderate and very variable.
For Fort-Mahon-Plage :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, very cloudy skies to overcast.
Light rain. S wind force 3. Gusts reaching 19 knots in the evening. Slight sea. Low, fairly long swell from W. Good visibility.