A northeasterly, moderate and variable flow prevails over the whole area.
For Calais :
Warning strong breeze offshore.
The reliability of the situation is assessed at 95%.
For the night from Monday to Tuesday ESE force 1 turning ENE force 2 in the middle of the night then becoming force 3. Gusts reaching 15 knots at the end of the night.
Smooth to slight sea. Low, short swell from SSE. Poor visibility becoming poor in the middle of the night then excellent. Daytime of Tuesday 23 december : The sky will remain very cloudy.
Very cloudy skies with short clear spells. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. ENE wind force 4 continuing all day. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from NNE. Excellent visibility becoming excellent in the middle of the day.