An easterly and variable flow prevails over the whole area.
For Dunkerque :
No gale warning.
The reliability of the situation is poor.
For the night from Sunday to Monday NNE wind force 3 continuing all night. Gusts reaching 13 knots.
Slight sea. Low, short swell from N. Excellent visibility temporarily in the middle of the night. Daytime of Monday 19 may : The weather will be good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
NE wind force 4 continuing all day. Gusts reaching 22 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility becoming excellent in the middle of the day.