A northeasterly, weak and particularly variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, weak and particularly variable.
For Calais :
No gale warning.
For the night from Friday to Saturday SW force 2 in the early part of the night becoming force 1. Gusts reaching 12 knots in the early part of the night.
Smooth sea. Low, short swell from NE then from W at the end of the night. Good visibility becoming good in the middle of the night then good. Daytime of Saturday 20 june : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
Light showers progressively becoming less frequent. SW force 1 turning W in the middle of the day then NE. Gusts reaching 15 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Good visibility becoming good in the middle of the day then good.