An easterly, very strong and very variable flow prevails over the North and the East of the basin. Over the South-West, it is westerly, strong and very variable.
For Zarautz :
No gale warning.
We are 80% sure of the situation, because the atmosphere might not be as stable as forecast.
In the evening, storms developing.
Heavy showers. SE wind force 1. Gusts reaching 9 knots in the evening. Slight sea. Low, fairly long swell from NNW. Excellent visibility.