High 1025 hPa centered at 170 nautical miles in the West of Fastnet Rock (South-West Ireland) moving at 10 knots to the South-South-East.
For San Sebastián : No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear periods developing.No precipitation.In the evening, good clear periods but cloud building. No precipitation. NNW wind force 2 from the middle of the day. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, short swell from NW. Good visibility becoming good in the evening.