For Guetaria Beach :
No gale warning.
The reliability of the situation is assessed at 90%.
Overcast in the morning, cloud largely disappearing in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
WNW force 2 turning N in the middle of the day then E. Gusts reaching 9 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from NW. Excellent visibility becoming excellent in the evening.