High 1026 hPa centered on the North of the Bay of Biscay moving at 21 knots to the East to be centered on Switzerland.
For Boulogne-sur-Mer :
Warning strong breeze offshore.
We are 85% sure of the situation, because flows might be far more disturbed than forecast.
For the night from Wednesday to Thursday W force 4 in the early part of the night turning SW force 3. Gusts reaching 20 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low, short swell from WNW. Excellent visibility temporarily in the middle of the night. Daytime of Thursday 29 may : The sky will remain very cloudy.
Overcast skies. The risk of seeing rain will remain low. In the evening, very cloudy.
Chance of light rain. SSW wind force 5 continuing all day. Gusts reaching 30 knots in the middle of the day. Slight sea. Low, short swell from WNW. Excellent visibility.