A westerly, weak and particularly variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and particularly variable.
For Calais :
No gale warning.
For the night from Wednesday to Thursday N force 2 in the early part of the night becoming force 1. Gusts reaching 14 knots in the early part of the night.
Slight sea. Low, short swell from WSW. Excellent visibility becoming excellent in the middle of the night then excellent. Daytime of Thursday 17 september : The sky will remain changeable.
Cloud and long sunny periods. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. N wind force 2 continuing all day. Gusts reaching 13 knots in the morning. Slight sea. Low, short swell from SSE then from N in the evening. Good visibility becoming excellent in the middle of the day.