A northeasterly, moderate and variable flow prevails over the whole area.
For Playa de Castro Urdiales :
No gale warning.
We are 80% sure of the situation, because the clear patches could be more numerous than forecast.
Dark, overcast skies with cloud and bad weather. Showers all day. In the evening, overcast skies.
Light showers. NNE force 4 in the morning becoming force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea becoming moderate in the middle of the day. Low, short swell from N. Excellent visibility.