Low 992 hPa centered on the North of the Bay of Biscay moving at 14 knots to the North-North-East to be centered on the center of England.
For San Sebastián :
Warning moderate gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Overcast skies, risk of storms during the afternoon. Light rain followed by showers in the morning, light showers dying away progressively in the afternoon. In the evening, very cloudy with risk of storms.
Showers. WSW force 4 in the morning turning WNW in the middle of the day. Gusts reaching 26 knots in the morning. Moderate sea. Moderate, fairly long swell from NW. Excellent visibility.