A westerly, strong and very variable flow prevails over the whole area.
For Playa de San Sebastian :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Little cloud in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, fair weather with mostly clear skies.
SW force 1 turning NNW force 2 in the middle of the day then NW. Gusts reaching 12 knots in the evening. Moderate sea becoming slight in the evening. Moderate, long swell from NW then low, fairly long swell in the evening. Poor visibility becoming excellent in the middle of the day then good.