A southeasterly, weak and particularly variable flow prevails over the North of the basin. Over the South, it is westerly, weak and particularly variable.
For Calais :
No gale warning.
For the night from Saturday to Sunday E force 3 in the early part of the night turning SE. Gusts reaching 18 knots until the middle of the night.
Smooth sea becoming smooth to slight in the middle of the night. Low, short swell from WSW then from N in the middle of the night. Excellent visibility. Daytime of Sunday 20 july : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. Possibility of showers late in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers SSE force 3 turning WSW force 2 in the middle of the day then SW. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low from N. Excellent visibility.
