A southerly and very variable flow prevails over the whole area.
For Berck sternes :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear spells, risk of mist forming.
Showers towards the end of the night. WSW force 3 in the middle of the day turning WNW force 2 in the evening. Gusts reaching 13 knots in the evening. Smooth sea. Low, fairly long swell from W. Excellent visibility becoming reduced by mist in the evening.