A westerly, strong and mostly variable flow prevails over the whole area.
For Calais :
Warning fresh gale offshore.
The reliability of the situation is assessed at 90%.
For the night from Monday to Tuesday WSW force 7 in the early part of the night becoming W force 6. Gusts reaching 42 knots in the early part of the night.
Moderate sea. Low, short swell from NW. Excellent visibility. Daytime of Tuesday 16 september : The largely blue sky won.t last.
Cloud and long sunny periods. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. W force 6 in the morning becoming WSW force 5 in the evening. Gusts reaching 39 knots in the morning. Moderate sea becoming slight in the middle of the day. Low, short swell from NW. Excellent visibility.