A southwesterly, moderate and very variable flow prevails over the East of the basin. Over the West, it is northwesterly, strong and very variable.
For Ondarroa :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, overcast skies.
Drizzle in the early hours. SSW force 3 turning NNW force 2 in the middle of the day then W force 3. Gusts reaching 18 knots in the morning. Slight sea. Low, fairly long swell from NW. Excellent visibility becoming good in the middle of the day.