An easterly and variable flow prevails over the South-East of the basin. Over the West and the North, it is southwesterly, moderate and very variable.
For Castro Urdiales :
No gale warning.
The reliability of the situation is assessed at 90%.
Skies with few clouds. In the evening, skies with few clouds.
ENE force 4 in the middle of the day weakening NNW force 2 in the evening. Gusts reaching 22 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the evening.