An easterly, weak and particularly variable flow prevails over the North-West and the South-East of the basin. Over the South-West and the North-East, it is northwesterly, weak and particularly variable.
For Berck Plage :
No gale warning.
For the night from Sunday to Monday NE wind force 2 continuing all night. Gusts reaching 18 knots in the middle of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility. Daytime of Monday 24 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, clear periods developing.
Light showers. E force 2 turning W in the middle of the day then NW. Gusts reaching 16 knots in the morning. Smooth to slight sea. Low, short swell from W temporarily from N in the middle of the day. Excellent visibility.