For Berck sternes :
No gale warning.
For the night from Wednesday to Thursday NW wind force 2 continuing all night. Gusts reaching 12 knots in the early part of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility becoming good in the middle of the night then good. Daytime of Thursday 24 september : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. NW wind force 2 continuing all day. Gusts reaching 11 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from W then from N in the evening. Good visibility becoming excellent in the middle of the day then excellent.