A northeasterly, strong and mostly variable flow prevails over the South of the basin. Over the North, it is southwesterly, very strong and mostly variable.
For Donostia :
No gale warning.
The reliability of the situation is assessed at 90%.
Changeable skies becoming less cloudy. No precipitation. In the evening, relatively clear skies becoming changeable.
N force 2 in the middle of the day turning WNW force 3 in the evening. Gusts reaching 12 knots in the middle of the day. Slight sea. Low, short swell from NNW. Excellent visibility becoming good in the evening.