An easterly, moderate and very variable flow prevails over the South and the West of the basin. Over the North-East, it is northwesterly, moderate and very variable.
For Calais :
No gale warning.
The reliability of the situation is fairly good.
For the night from Wednesday to Thursday ENE force 4 becoming force 3 in the middle of the night then E. Gusts reaching 22 knots in the early part of the night.
Slight sea. Low, short swell from NNE. Excellent visibility becoming good at the end of the night. Daytime of Thursday 23 april : The weather will be good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
ENE force 3 in the morning becoming NE force 4 in the middle of the day. Gusts reaching 21 knots from the middle of the day. Slight sea. Low, short swell from NNE. Good visibility becoming excellent in the middle of the day.