A southwesterly, strong and mostly variable flow prevails over the East of the basin. Over the West, it is northwesterly, strong and mostly variable.
For Zumaia :
Warning strong breeze offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Good clear periods but lots of cloud, too. No precipitation. In the evening, very cloudy.
Showers. ESE force 2 in the middle of the day turning S force 3 in the evening. Gusts reaching 15 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility.