A northerly, weak and particularly variable flow prevails over the whole area.
For Biarritz :
No gale warning.
For the night from Sunday to Monday W wind force 2 continuing all night. Gusts reaching 8 knots in the early part of the night.
Slight sea. Low, short swell from NW. Good visibility becoming poor in the middle of the night then reduced by mist. Daytime of Monday 17 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, changeable skies with risk of storms.
Light showers. W force 2 in the morning becoming WNW force 3 in the middle of the day. Gusts reaching 12 knots in the evening. Slight sea. Low, short swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then poor.