Playa de Gros/La Zurriola
Iker (Tagzania user ID: 11881) · CC BY-SA 4.0 · Wikimedia Commons

Donostia-San Sebastián · Guipúzcoa

Playa de Gros/La Zurriola

Swimming conditions, water quality, sea, tides and facilities

Water23 °CDaily high25 °CUV5High tide15:45Low tide21:53JellyfishNo recent information
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Swimming statusYellow flagEstimateForecast for 27/09 · 15:00Reference sea area: Playa de la Zurriola · 0.5 km

Now

Forecast for 15:00

AEMET · issued 27/09 09:05
☁
SkyHigh cloud
Temperature25 °CFeels like 25 °C
Forecast rain0%
Humidity55%
WindN 11 km/hGusts 20 km/h
Water23 °C
Maximum UV5

This is an official forecast for the stated period, not an observation taken at the beach.

Weather forecast

Hourly and daily outlook

Official municipal forecast and, where available, beach-specific information.

Next hours

Town of Donostia-San Sebastián
Today15:00☁25°High cloud☂ 0% · ↝ N 11 km/h
Today18:00☁23°High cloud☂ 0% · ↝ N 8 km/h
Today21:00☁21°High cloud☂ 30% · ↝ NW 5 km/h
Tomorrow00:00☁20°Overcast☂ 70% · ↝ SW 6 km/h
Tomorrow03:00☁19°Overcast☂ 0% · ↝ W 5 km/h
Tomorrow06:00☁18°Mostly cloudy☂ 0% · ↝ SE 2 km/h
Tomorrow09:00☁19°High cloud☂ 0% · ↝ SE 3 km/h
Tomorrow12:00☁21°High cloud☂ 0% · ↝ N 6 km/h
Tomorrow15:00☁25°Overcast☂ 10% · ↝ N 7 km/h
Tomorrow18:00☁26°Cloudy☂ 10% · ↝ N 5 km/h
Tomorrow21:00☁23°Overcast☂ 70% · ↝ SW 6 km/h
Tuesday 2900:00☂21°Overcast with light rain · ↝ S 9 km/h
Tuesday 2903:00◐20°Sunny intervals · ↝ E 5 km/h
Tuesday 2906:00◐21°Sunny intervals · ↝ S 10 km/h

Today’s weather

At 15:00, the forecast indicates sky conditions of high cloud and a forecast temperature of 25 °C. This period also has a feels-like temperature of 25 °C, 0% chance of rain and wind N at 11 km/h. For the day as a whole, the published forecast gives a high of 25 °C, water temperature around 23 °C and a maximum UV index of 5.

Next days

Today

☁

High cloud

Low 18°High 25°
☂ Rain 30% ↝ E · 1 km/h Gusts 21 km/h Humidity 54–89% ◉ Water 23° ☀ UV 5
Hourly municipal forecast · issued 27/09 12:25

Tomorrow

☁

High cloud

Low 18°High 26°
☂ Rain 70% ↝ NE · 5 km/h Gusts 37 km/h Humidity 59–100% ◉ Water 22° ☀ UV 5
Hourly municipal forecast · issued 27/09 12:25

Tuesday 29

◐

Sunny intervals

Low 19°High 21°
☂ Rain 55% ↝ S · 15 km/h Gusts 19 km/h Humidity 79–95% ◉ Water 22° ☀ UV 5
Hourly municipal forecast · issued 27/09 12:25

Wednesday 30

☂

Overcast with rain

Low 19°High 30°
☂ Rain 100% ↝ S · 15 km/h Gusts 50 km/h Humidity 45–100% ☀ UV 5
Daily municipal forecast · issued 27/09 12:25

Water health

Water quality

NÁYADE source
Latest available test14/09/2026NÁYADE · Ministerio de Sanidad · ES21200069M20069A1
E. coli10 NMP/100 mL
Enterococci10 NMP/100 mL
Latest available annual classificationEXCELLENT2025 season · EEA · does not describe current conditions

The 2026 season does not yet have a final annual classification. The 2025 result is historical; for recent conditions, check the latest test and any published incidents.

View all test results
DateAssessmentE. coliEnterococci
14/09/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
07/09/2026Suitable for bathing10 NMP/100 mL30 NMP/100 mL
31/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
24/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
17/08/2026Suitable for bathing20 NMP/100 mL10 NMP/100 mL
10/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
03/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
27/07/2026Suitable for bathing20 NMP/100 mL10 NMP/100 mL
20/07/2026Suitable for bathing122 NMP/100 mL10 NMP/100 mL
13/07/2026Suitable for bathing51 NMP/100 mL10 NMP/100 mL
06/07/2026Suitable for bathing20 NMP/100 mL10 NMP/100 mL
29/06/202630 /06/2026—
22/06/2026Suitable for bathing31 NMP/100 mL10 NMP/100 mL
15/06/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
08/06/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
01/06/2026Suitable for bathing10 NMP/100 mL31 NMP/100 mL
25/05/2026Suitable for bathing10 NMP/100 mL20 NMP/100 mL
29/09/2025Suitable for bathing63 NMP/100 mL74 NMP/100 mL
29/09/2025No published assessment52 UFC/100 ml30 UFC/100 ml
22/09/2025Suitable for bathing31 NMP/100 mL10 NMP/100 mL
22/09/2025No published assessment51 UFC/100 ml10 UFC/100 ml
15/09/2025Suitable for bathing10 NMP/100 mL52 NMP/100 mL
15/09/2025No published assessment10 UFC/100 ml148 UFC/100 ml
08/09/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
08/09/2025No published assessment10 UFC/100 ml10 UFC/100 ml
01/09/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
01/09/2025No published assessment41 UFC/100 ml10 UFC/100 ml
25/08/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
25/08/2025No published assessment10 UFC/100 ml20 UFC/100 ml
18/08/2025Suitable for bathing10 NMP/100 mL20 NMP/100 mL
View annual history
2025 EXCELLENT EEA2024 EXCELLENT EEA2023 EXCELLENT EEA2022 EXCELLENT EEA2021 EXCELLENT EEA2020 EXCELLENT EEA2019 EXCELLENT EEA2018 EXCELLENT EEA2017 EXCELLENT EEA2016 EXCELLENT EEA2015 EXCELLENT EEA

A sample or annual classification does not override a later incident or operational flag.

Water quality

The latest microbiological sample was taken on 14/09/2026. The available annual classification for 2025 is excellent; this is a historical assessment, not confirmation of today’s conditions.

Location

Directions

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Practical ideas for your visit

Near this beach

Eat, have a drink, stay or park nearby without spending time searching.

About these results: distances are calculated in a straight line and each link opens the stored point, rather than a name search. Position does not imply an editorial recommendation or guarantee opening times or availability.

A few kilometres away

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