An easterly, strong and variable flow prevails over the North of the basin. Over the South, it is southwesterly, strong and very variable.
For Donostia :
Warning strong breeze offshore.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear periods developing. No precipitation. In the evening, clear periods developing.
Showers. S wind force 4 from the middle of the day. Gusts reaching 29 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WNW. Excellent visibility.