A northerly, moderate and mostly variable flow prevails over the whole area.
For Donostia / San Sebastián :
No gale warning.
The reliability of the situation is assessed at 95%.
Bright spells increasing during the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. NE force 2 turning N force 3 in the middle of the day then WNW. Gusts reaching 16 knots in the evening. Slight sea. Low, fairly long swell from NW. Good visibility becoming excellent in the middle of the day then good.