A westerly, strong and mostly variable flow prevails over the whole area.
For San Sebastián :
Warning strong breeze offshore.
We are 85% sure of the situation, because hail may not be as easy to predict.
Very cloudy with risk of thundery outbreaks in the morning, then clear spells developing. Showers with possibility of hail in the morning, light showers in the afternoon. In the evening, good clear periods but cloud building.
Possibility of showers W wind force 4 continuing all day. Gusts reaching 25 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from NW. Good visibility becoming excellent in the middle of the day.