A northeasterly flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and mostly variable.
For Gravelines :
No gale warning.
The reliability of the situation is assessed at 95%.
Clear skies. In the evening, relatively clear skies becoming changeable.
WNW wind force 3 from the middle of the day. Gusts reaching 15 knots. Smooth to slight sea. Low, short swell from S. Excellent visibility.