High 1025 hPa centered on Switzerland remaining almost stationary.
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.
Very cloudy. No precipitation. In the evening, clear skies.
WSW wind force 3 from the middle of the day. Gusts reaching 16 knots in the evening. Rippled sea becoming smooth to slight in the evening. Low, short swell from SW. Excellent visibility.