A northerly and very 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 N force 3 becoming NNE force 4 in the middle of the night then NNW force 2. Gusts reaching 18 knots in the middle of the night.
Slight sea. Low, short swell from S. Excellent visibility becoming excellent in the middle of the night then excellent. Daytime of Friday 15 may : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Possibility of showers NNE force 4 in the morning becoming N force 3 in the evening. Gusts reaching 21 knots in the morning. Slight sea. Low, short swell from NNE. Excellent visibility becoming excellent in the middle of the day.