A northerly, moderate and very variable flow prevails over the whole area.
For Donostia / San Sebastián :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods but lots of cloud, too. Light showers. In the evening, good clear periods but cloud building.
Possibility of showers WNW force 3 in the middle of the day becoming NW force 4 in the evening. Gusts reaching 22 knots in the evening. Moderate sea. Moderate, fairly long swell from NW. Excellent visibility.