A northerly and mostly variable flow prevails over the West of the basin. Over the East, it is southwesterly, moderate and mostly variable.
For Zumaia :
Warning strong breeze offshore.
We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.
Sun but cloud increasing in the morning, very cloudy skies becoming totally covered in the afternoon. The risk of seeing rain will remain low. In the evening, overcast skies.
Chance of light rain. SSW force 2 turning NW force 3 in the middle of the day then WNW force 2. Gusts reaching 15 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Excellent visibility becoming excellent in the middle of the day.