A southwesterly, very strong and variable flow prevails over the whole area.
For San Sebastián :
Warning moderate gale offshore.
The reliability of the situation is assessed at 80%.
Overcast skies. Light showers progressively dying out in the morning, light rain in late afternoon. In the evening, very cloudy skies to overcast.
Light rain gradually becoming less frequent. SSW force 4 in the morning becoming S force 5 in the evening. Gusts reaching 31 knots in the evening. Rough to very rough sea becoming rough in the middle of the day then moderate. Moderate, long swell from NW. Excellent visibility.