A northerly and mostly variable flow prevails over the whole area.
For Gravelines & Les Hemmes de Marck :
Warning strong breeze offshore.
We are 90% sure of the situation, because the cloud cover could move in later than forecast.
In the evening, very cloudy.
No precipitation. NNE wind force 4. Gusts reaching 23 knots in the evening. Slight sea. Low, short swell from NNW. Excellent visibility.