A westerly, strong and mostly variable flow prevails over the whole area.
For Donostia / San Sebastián :
No gale warning.
The reliability of the situation is assessed at 90%.
In the evening, cloud cover thickening.
Light rain in the early hours. W wind force 2. Gusts reaching 11 knots in the evening. Moderate sea. Moderate, fairly long swell from NW. Excellent visibility.