A northeasterly and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Thursday to Friday NNW force 3 becoming force 2 in the middle of the night then N. Gusts reaching 12 knots in the early part of the night.
Slight sea. Low, fairly long swell from W. Good visibility becoming poor in the middle of the night. Daytime of Friday 27 march : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Possibility of showers late in the morning, showers late in the day. In the evening, cloudy spells, sometimes dense.
Light showers progressively becoming less frequent. NNW force 2 in the morning becoming force 3 in the middle of the day. Gusts reaching 16 knots from the middle of the day. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day then good.