For Calais :
No gale warning.
For the night from Sunday to Monday N wind force 1 continuing all night. Gusts reaching 13 knots in the early part of the night.
Slight sea becoming smooth to slight in the middle of the night. Low from N then from W at the end of the night. Excellent visibility becoming excellent at the end of the night. Daytime of Monday 24 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
Possibility of showers NW force 1 turning W force 2 in the middle of the day then WSW. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from W. Good visibility becoming excellent in the middle of the day.