A southwesterly and particularly variable flow prevails over the South and the West of the basin. Over the North-East, it is northwesterly, moderate and mostly variable.
For Calais :
No gale warning.
For the night from Friday to Saturday WNW force 3 in the early part of the night becoming W force 2. Gusts reaching 18 knots in the early part of the night.
Smooth to slight sea. Low, short swell from NNE. Excellent visibility. Daytime of Saturday 21 november : The unsettled weather will become more unpredictable in the second half of the day.
Skies changeable to very cloudy. Some light showers from late morning. In the evening, good clear periods but lots of cloud, too.
Light showers. WSW force 2 in the morning turning SSW force 3 in the middle of the day. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from S. Excellent visibility.