For Guetaria Beach :
No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Fog developing into low cloud during the morning, very cloudy skies to overcast in the afternoon. Some light showers in the morning, possibility of showers in the afternoon. In the evening, very cloudy skies to overcast.
No precipitation. WSW force 2 in the morning temporarily NW in the middle of the day. Gusts reaching 16 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from NW. Visibility reduced by fog becoming good in the middle of the day then poor.