A northeasterly, moderate and mostly variable flow prevails over the whole area.
For Guethary :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Light cloudy spells. In the evening, light cloudy spells.
SE force 3 in the middle of the day turning N in the evening. Gusts reaching 13 knots in the evening. Slight sea. Low, short swell from NW. Excellent visibility.