A northeasterly, moderate and mostly variable flow prevails over the whole area.
For Calais :
Warning strong breeze offshore.
The reliability of the situation is fairly good.
For the night from Friday to Saturday NNE wind force 4 continuing all night. Gusts reaching 23 knots in the early part of the night.
Slight sea. Low, short swell from NNE. Excellent visibility. Daytime of Saturday 17 may : Improving during the day:the sky will clear.
Good clear periods but with plenty of cloud in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
NNE wind force 4 continuing all day. Gusts reaching 20 knots from the middle of the day. Slight sea. Low, short swell from NNE. Excellent visibility becoming poor in the evening.