High 1023 hPa centered on Switzerland remaining almost stationary.
For Gravelines :
No gale warning.
The reliability of the situation is assessed at 90%.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
SE force 2 freshening WSW force 4 in the middle of the day then force 3. Gusts reaching 18 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from NNE then from NNW in the middle of the day then from NW. Poor visibility becoming excellent in the middle of the day.