A northeasterly, weak and particularly variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, weak and particularly variable.
For Calais :
No gale warning.
For the night from Friday to Saturday N wind force 1 continuing all night. Gusts reaching 11 knots until the middle of the night.
Smooth sea. Low, short swell from NNE. Excellent visibility becoming good in the middle of the night then good. Daytime of Saturday 30 may : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, sometimes dense. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. N force 2 in the morning turning NE in the evening. Gusts reaching 13 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from NNE. Good visibility becoming good in the middle of the day then good.