High 1029 hPa centered on Switzerland remaining almost stationary.
For Boulogne-sur-Mer :
Warning strong breeze offshore.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly cloudless skies becoming changeable during the morning, very cloudy in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. WSW force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 29 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from W. Excellent visibility.