A southeasterly and very variable flow prevails over the North of the basin. Over the South, it is southwesterly, moderate and variable.
For Calais :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Sunday to Monday WSW wind force 3 continuing all night. Gusts reaching 15 knots until the middle of the night.
Smooth to slight sea. Low, short swell from WNW. Excellent visibility. Daytime of Monday 18 may : Improving during the day:the sky will clear.
Good clear periods but with plenty of cloud in the morning, cloud and sun in the afternoon. Risk of showers in the morning, no precipitation in the afternoon. In the evening, light cloudy spells.
WSW force 3 becoming force 4 in the middle of the day then SW. Gusts reaching 26 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Excellent visibility becoming excellent in the middle of the day.