A northwesterly, weak and very variable flow prevails over the West and the North of the basin. Over the South-East, it is southerly, weak and particularly variable.
For Hardelot-Plage :
No gale warning.
For the night from Thursday to Friday N wind force 2 continuing all night. Gusts reaching 14 knots in the early part of the night.
Slight sea becoming smooth to slight at the end of the night. Low, short swell from W. Excellent visibility. Daytime of Friday 21 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. N force 2 in the morning temporarily NNW force 3 in the middle of the day. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility.