A southwesterly, very strong and very variable flow prevails over the whole area.
For Donostia / San Sebastián :
Warning fresh gale offshore.
The reliability of the situation is assessed at 75%.
Very cloudy skies with short clear spells. Light rain followed by showers in the morning, showers in the afternoon. In the evening, very cloudy.
Showers. W wind force 5 continuing all day. Gusts reaching 36 knots in the middle of the day. Very rough sea. High, long swell from NW. Excellent visibility.