A northeasterly and variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and very variable.
For Donostia :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, clear skies.
SSE force 2 turning NNE in the middle of the day then NNW. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Good visibility becoming excellent in the middle of the day.