A northeasterly, weak and particularly variable flow prevails over the South of the basin. Over the North, it is westerly, weak and particularly variable.
For Berck sternes :
No gale warning.
For the night from Tuesday to Wednesday NNE wind force 2 continuing all night. Gusts reaching 14 knots in the early part of the night.
Smooth sea becoming slight in the middle of the night. Low, short swell from W. Excellent visibility. Daytime of Wednesday 19 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. NE force 2 in the morning turning N force 3 in the middle of the day. Gusts reaching 13 knots in the morning. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Excellent visibility.