A northerly and variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and particularly variable.
For Plage d"Hendaye :
No gale warning.
For the night from Wednesday to Thursday WNW wind force 2 continuing all night. Gusts reaching 8 knots until the middle of the night.
Slight sea. Low, fairly long swell from NW. Good visibility becoming good in the middle of the night then good. Daytime of Thursday 17 september : The unstable weather will die away during the day.
Skies changeable to very cloudy. Light showers progressively dying out in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. W force 2 turning NW force 3 in the middle of the day then becoming force 2. Slight sea. Low, fairly long swell from NW. Good visibility becoming excellent in the middle of the day then excellent.