A northeasterly and variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, moderate and very variable.
For Calais :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Tuesday to Wednesday SE wind force 2 continuing all night. Gusts reaching 8 knots at the end of the night.
Smooth sea. Low, short swell from E. Excellent visibility becoming good in the middle of the night then good. Daytime of Wednesday 23 september : Improving during the day:the sky will clear.
Cloud and long sunny periods. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. S force 2 turning WSW force 3 in the middle of the day then NNW force 4. Gusts reaching 23 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day then slight. Low, short swell from E temporarily from NNW in the middle of the day. Good visibility becoming excellent in the middle of the day.