For Guetaria Beach :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, very cloudy skies becoming totally overcast.
Light showers followed by rain. SSW force 4 in the morning turning SSE in the evening. Gusts reaching 31 knots in the evening. Slight sea. Low, fairly long swell from NW. Excellent visibility.