A northerly and variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, moderate and variable.
For Donostia :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies clearing but remaining hazy during the morning, skies becoming progressively hazier during the afternoon. No precipitation. In the evening, very cloudy skies becoming totally overcast.
Showers. S force 2 turning NW force 3 in the middle of the day then WNW force 4. Gusts reaching 20 knots in the evening. Slight sea. Low, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day.