A northeasterly and particularly variable flow prevails over the South and the East of the basin. Over the North-West, it is westerly, weak and particularly variable.
For Plage d"Hendaye :
No gale warning.
For the night from Tuesday to Wednesday W wind force 2 continuing all night. Gusts reaching 10 knots in the early part of the night.
Slight sea becoming smooth to slight at the end of the night. Low, short swell from NW. Good visibility becoming good in the middle of the night then good. Daytime of Wednesday 19 august : The atmosphere will remain unstable.
Good clear periods alternating with cloudy spells, sometimes dense. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. WSW force 2 turning NW force 3 in the middle of the day then WNW force 2. Gusts reaching 11 knots from the middle of the day. Smooth to slight sea. Low, short swell from NW. Good visibility becoming good in the middle of the day then good.