A northeasterly, weak and particularly variable flow prevails over the South of the basin. Over the North-West, it is southeasterly, weak and very variable. Over the North-East, it is northwesterly, moderate and very variable.
For Calais :
No gale warning.
The reliability of the situation is poor.
For the night from Friday to Saturday NE wind force 3 continuing all night. Gusts reaching 16 knots in the early part of the night.
Slight sea. Low, short swell from NNE. Excellent visibility becoming good in the middle of the night then poor. Daytime of Saturday 25 april : Improving during the day:the sky will clear.
Good clear periods but with plenty of cloud in the morning, predominantly sunny in the afternoon. No precipitation. In the evening, light cloudy spells.
NE wind force 3 continuing all day. Gusts reaching 18 knots from the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from NNE. Poor visibility becoming excellent in the middle of the day then good.