A northerly and very variable flow prevails over the whole area.
For Biarritz :
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday WSW wind force 3 continuing all night. Gusts reaching 17 knots in the early part of the night.
Slight sea. Low, fairly long swell from WNW. Good visibility becoming good in the middle of the night then poor. Daytime of Friday 14 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. WSW force 3 in the morning temporarily WNW in the middle of the day. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then poor.