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WEATHER

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Orange alert for waves of up to 7 meters on Thursday and winds of 120 km/h

The alert will be in effect from midnight until 6:00 p.m. for navigational hazards, after which the wind yellow warning will be activated.
GRAFCAV7358. SAN SEBASTIÁN (ESPAÑA), 03/12/2025.- Los cielos en el País Vasco se presentan este miércoles nubosos con chubascos, especialmente en el litoral, donde podrán ser tormentosos, la cota de nieve subirá desde los 1.000 hasta los 1.200 metros, las temperaturas descenderán y el viento soplará del oeste, con rachas fuertes en zonas expuestas. El estado de la mar, en el Cantábrico hasta las veinte millas, será de marejada a fuerte marejada, la mar de fondo del noroeste levantará olas en torno a 3 o 3,5 metros de altura y el viento soplará del oeste, fuerza 4 a 5. EFE/Juan Herrero.
Waves in San Sebastian. Photo: EFE

The Basque Government's Department of Safety has activated the Orange Coast Alert for this Thursday, due to the forecast of 6 and 7 metre waves, especially in the morning, which will be active from 00:00 to 18:00.

The significant height of the waves is expected to exceed 5-6 metres and may be around 6-7 metres in the early hours of the day. The bottom sea of the northwest will raise waves of 4-5 metres with periods of 14-15 seconds. The wind will blow from the west with force 6-7 and waves of force 8 in the first half of the day.

From 18:00, the orange alert will go down to yellow warninguntil midnight, during which time the waves will go down to 4-5 meters, and at the end of the day they will be around 3.5 meters. The west wind will lose strength, with force 5, and at night it will turn southwest, remaining at 3 meters in the last hours.

In addition, there will be yellow warning for coastal impact from 00:00 to 18:00, as strong waves and west wind can cause splashes and friction on sea walks and seafloor.

Asfor the wind, the Department of Safety and Security has issued a yellow warning until 12:00. In exposed areas, especially along the coast, winds of up to 100 km /h, as well as 110-120 km/h  are expected to exceed 80 km/h in unexposed areas, especially near the coast and south of Álava.

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