A westerly, strong and very variable flow prevails over the whole area.
For Boulogne-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 85%.
Mist and fog in the morning, cloud largely disappearing in the afternoon. The risk of seeing rain will remain low. In the evening, relatively cloudless skies clearing.
SW force 5 in the morning turning W in the evening. Gusts reaching 31 knots in the morning. Slight sea. Low, short swell from W. Visibility reduced by fog becoming good in the middle of the day then excellent.