A southerly, moderate and very variable flow prevails over the whole area.
For Calais :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Thursday to Friday SSW wind force 2 continuing all night. Gusts reaching 9 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WSW. Excellent visibility becoming excellent in the middle of the night. Daytime of Friday 17 april : Improving during the day:the sky will clear.
Bright spells increasing during the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. S force 2 freshening WSW force 4 in the middle of the day then becoming SW. Gusts reaching 18 knots from the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day then good.