A southerly and particularly variable flow prevails over the North-East of the basin. Over the South and the West, it is northwesterly, moderate and particularly variable.
For Calais :
No gale warning.
The reliability of the situation is poor.
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 poor in the middle of the night then poor. Daytime of Saturday 18 april : Improving during the day:the sky will clear.
Very cloudy. But clear spells will become more and more widespread. No precipitation. In the evening, good clear periods but cloud building.
Chance of light rain. SW force 2 in the morning becoming WSW force 3 in the middle of the day. Gusts reaching 16 knots from the middle of the day. Smooth sea becoming smooth to slight in the evening. Low, short swell from WNW then from N in the middle of the day then from N. Poor visibility becoming excellent in the middle of the day then reduced by mist.