An easterly, moderate and mostly variable flow prevails over the whole area.
For Gravelines :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Very cloudy skies to overcast. No precipitation. In the evening, skies with few clouds.
N force 4 in the middle of the day becoming NNE force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, short swell from N then from N in the evening. Excellent visibility becoming excellent in the evening.