A northeasterly, weak and very variable flow prevails over the South-West of the basin. Over the North-West, it is southerly, strong and very variable. Over the East, it is westerly, moderate and very variable.
For Fort-Mahon-Plage :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods but cloud building. No precipitation. In the evening, very cloudy.
No precipitation. WNW force 2 in the middle of the day turning SW in the evening. Gusts reaching 10 knots in the middle of the day. Smooth sea. Low, fairly long swell from W. Excellent visibility becoming poor in the evening.