San Sebastian weather today LIVE

Thursday, 10 September 2026

La Gomera · San Sebastián de la Gomera 29° Sunny · 26° sea

Morning Sunny

Afternoon Cloudy

Max temperature 29°C

Water temperature 26°C

Wind Moderate

Waves Calm

Feels like calor moderado

UV index 9 Very high

Very high UV — SPF 50+, cover up and avoid the sun from 12:00 to 16:00.

Is it sunny at San Sebastian today?

Yes — Sunny this morning at San Sebastian, with around 29°C in the air, a sea temperature of 26°C and a UV index of 9.

San Sebastian sea temperature today

The sea at San Sebastian is 26°C right now, from AEMET's official beach measurements.

3-day forecast

Today 29° 26° sea UV 9

Tomorrow 28° 25° sea UV 9

Sa 12 29° 25° sea UV 8

Sea conditions (open water)

Today 1.0 m period 7.2 s 25.7°C

Tomorrow 1.18 m period 6.2 s 25.6°C

Sa 12 1.26 m period 6.05 s 25.6°C

Open-water model data from ~7.9 km offshore — conditions right at the shore can differ.

Sea data: Open-Meteo.com (CC BY 4.0)

Weather history at San Sebastian — measured daily

Measured over the last 14 days at San Sebastian: the sea averaged 25.4°C, 93% of mornings were sunny, and daytime highs reached up to 31°C.

Nearby beaches

• Santiago 29° 10.9 km
• Hermigua 26° 11.7 km

All beaches on La Gomera →

La Gomera weather in September: monthly averages · Sea temperature · Sunniest island right now

Data source: AEMET © Agencia Estatal de Meteorología · Updated today at 05:51 · checked 18 min ago