A northerly, weak and very variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and particularly variable.
For Calais :
No gale warning.
For the night from Sunday to Monday W force 2 becoming WNW force 1 in the middle of the night then NNW force 2. Gusts reaching 14 knots in the early part of the night.
Smooth to slight sea. Low, short swell from W. Good visibility temporarily in the middle of the night. Daytime of Monday 29 june : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, sometimes dense. Some light showers in the morning, no precipitation in the afternoon. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NNW force 2 in the morning turning NNE in the evening. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day then good.