A northwesterly, weak and very variable flow prevails over the whole area.
For Calais :
No gale warning.
For the night from Friday to Saturday N force 2 in the early part of the night turning NW. Gusts reaching 13 knots all night.
Slight sea becoming smooth to slight at the end of the night. Low, short swell from NNE. Excellent visibility becoming excellent at the end of the night. Daytime of Saturday 16 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 WNW force 2 becoming W force 3 in the middle of the day then WSW. Gusts reaching 14 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from NNE. Excellent visibility becoming excellent in the middle of the day then excellent.