A northerly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very variable.
For Playa de Castro Urdiales :
No gale warning.
The reliability of the situation is assessed at 90%.
Skies very cloudy, becoming totally overcast during the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. WNW force 3 becoming NW force 4 in the middle of the day then WNW. Gusts reaching 23 knots from the middle of the day. Smooth to slight sea. Low, short swell from N. Good visibility becoming excellent in the middle of the day.