A northeasterly, weak and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, weak and particularly variable.
For Calais :
No gale warning.
The reliability of the situation is poor.
For the night from Tuesday to Wednesday NE wind force 4 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea. Low, short swell from N. Excellent visibility. Daytime of Wednesday 24 september : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. NE wind force 4 continuing all day. Gusts reaching 17 knots from the middle of the day. Slight sea. Low, short swell from N. Excellent visibility.