A northeasterly, weak and particularly variable flow prevails over the South of the basin. Over the North, it is westerly, weak and particularly variable.
For Hardelot-Plage :
No gale warning.
For the night from Thursday to Friday NNE wind force 2 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea. Low, short swell from N. Excellent visibility. Daytime of Friday 21 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. The risk of seeing rain will remain low. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NE force 2 turning NNW in the middle of the day then N. Gusts reaching 15 knots in the morning. Slight sea. Low, short swell from NNW then from N in the middle of the day. Excellent visibility.