A southerly 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 Thursday to Friday SW force 2 in the early part of the night turning S. Gusts reaching 10 knots in the early part of the night.
Smooth to slight sea. Low, short swell from WSW. Visibility reduced by mist. Daytime of Friday 17 april : The sky will remain changeable.
Skies changeable to very cloudy. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. SSE force 2 becoming SE force 1 in the middle of the day then ENE force 2. Gusts reaching 12 knots from the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then good.