An easterly, strong and mostly variable flow prevails over the whole area.
For San Sebastián :
No gale warning.
The reliability of the situation is assessed at 90%.
Good clear periods but with plenty of cloud in the morning, sunny in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
SSE force 2 in the morning temporarily NE force 3 in the middle of the day. Gusts reaching 12 knots in the middle of the day. Smooth to slight sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day then excellent.