A southerly, strong and variable flow prevails over the whole area.
For Berck sternes :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, skies with few clouds covering over progressively.
No precipitation. ESE wind force 3 from the middle of the day. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from WNW. Good visibility becoming poor in the evening.