A northerly, moderate and very variable flow prevails over the whole area.
For Playa de Castro Urdiales :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy.
No precipitation. W wind force 3 continuing all day. Gusts reaching 21 knots in the morning. Slight sea. Low, short swell from N. Excellent visibility.