A southerly, moderate and very variable flow prevails over the whole area.
For Berck sternes :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, clear spells then risk of fog towards the end of the night.
No precipitation. SE force 3 turning S in the middle of the day then SSE force 1. Gusts reaching 12 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W. Good visibility becoming excellent in the middle of the day then reduced by mist.