A westerly, moderate and particularly variable flow prevails over the whole area.
For Calais :
No gale warning.
The reliability of the situation is poor.
For the night from Monday to Tuesday SW force 3 in the early part of the night becoming SSW force 2. Gusts reaching 17 knots in the middle of the night.
Smooth to slight sea. Low, short swell from N then from NNW at the end of the night. Good visibility becoming good in the middle of the night. Daytime of Tuesday 15 september : The sky will remain changeable.
Cloud and long sunny periods. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, lots of good clear periods.
Light showers. SW force 4 in the morning becoming WSW force 3 in the evening. Gusts reaching 22 knots until the middle of the day. Smooth to slight sea. Low, short swell from N. Good visibility becoming excellent in the middle of the day then good.