A southwesterly and very variable flow prevails over the whole area.
For Calais :
No gale warning.
The reliability of the situation is limited.
For the night from Sunday to Monday WSW wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WNW. Excellent visibility becoming good at the end of the night. Daytime of Monday 18 may : Improving during the day:the sky will clear.
Very cloudy. But clear spells will become more and more widespread. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. WSW force 3 becoming force 4 in the middle of the day then SW. Gusts reaching 24 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day then excellent.