A northeasterly and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Calais :
No gale warning.
The reliability of the situation is assessed at 75%.
For the night from Friday to Saturday SW wind force 2 continuing all night. Gusts reaching 9 knots in the early part of the night.
Smooth sea. Low, short swell from W. Good visibility becoming good in the middle of the night then good. Daytime of Saturday 18 april : Improving during the day:the sky will clear.
Skies very cloudy, becoming totally overcast during the morning, increasing sunny spells in the afternoon. Risk of some spots of rain in the morning, possibility of showers in late afternoon. In the evening, changeable skies becoming less cloudy.
No precipitation. WSW force 3 turning WNW force 2 in the middle of the day then SW. Gusts reaching 12 knots in the morning. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Poor visibility becoming good in the middle of the day then good.