For Biarritz :
No gale warning.
For the night from Monday to Tuesday W force 2 turning SW in the middle of the night then becoming force 1. Gusts reaching 8 knots in the early part of the night.
Slight sea. Low, fairly long swell from WNW. Good visibility becoming poor in the middle of the night. Daytime of Tuesday 25 august : The unsettled weather will become more unpredictable in the second half of the day.
Good clear periods alternating with cloudy spells, sometimes dense. Some showers from late morning. In the evening, cloudy spells, sometimes dense.
Light showers. SW force 1 turning NW force 2 in the middle of the day then WNW. Gusts reaching 9 knots in the evening. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then good.