A westerly, moderate and particularly variable flow prevails over the whole area.
For Berck Plage :
Warning strong breeze offshore.
The reliability of the situation is poor.
For the night from Monday to Tuesday S force 2 becoming SSE force 3 in the middle of the night then S. Gusts reaching 12 knots at the end of the night.
Smooth to slight sea. Low, short swell from W. Visibility reduced by mist becoming good at the end of the night. Daytime of Tuesday 15 september : The weather will become more uncertain during the day.
Skies changeable to very cloudy. No precipitation in the morning, possibility of showers in late afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers S force 3 turning WSW force 4 in the middle of the day then W. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.