A northerly and moderate flow prevails over the South-West of the basin. Over the North and the East, it is westerly, very strong and mostly variable.
For Ondarroa :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Very cloudy skies to overcast. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, overcast skies.
Drizzle fading over time. SSW force 1 freshening NNW force 3 in the middle of the day then force 2. Gusts reaching 15 knots in the middle of the day. Slight sea. Low, fairly long swell from NW. Good visibility becoming good in the middle of the day then excellent.