Low 1009 hPa centered on the South-East of the Bay of Biscay moving at 16 knots to the West to be centered at 160 nautical miles in the West of Cape Finisterre (Spain).
For San Sebastián :
Warning strong breeze offshore.
We are 65% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clouding over with thunderstorms developing in the morning, sunny becoming changeable in the afternoon. Possibility of showers late in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. SE force 3 turning ENE in the middle of the day then WNW force 5. Gusts reaching 35 knots in the evening. Slight sea temporarily smooth to slight in the middle of the day. Low, fairly long swell from NW. Excellent visibility.