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

Water17 °CDaily high21 °CUV2High tide04:44Low tide22:34JellyfishNo recent observationsLess favourable conditions · estimate
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Swimming statusGreen flagEstimateForecast for 11/11 · 17:00Reference sea area: Playa de la Zurriola · 0.5 km

Now

Forecast for 17:00

AEMET · issued 11/11 14:09
☁
SkyOvercast
Temperature20 °CFeels like 20 °C
Forecast rain35%
Humidity59%
WindS 12 km/hGusts 21 km/h
Water17 °C
Maximum UV2

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

Environmental estimate

Conditions less favourable for jellyfish arrival

Forecast wind and the regional coastline orientation are less favourable for jellyfish transport towards the shore. This is a limited-confidence regional physical indicator; it does not confirm the presence or absence of jellyfish at this beach.

Accumulated wind14 km/h · 178°Valid for11/11/2026 16:00

Weather forecast

Hourly and daily outlook

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

Next hours

Town of Donostia-San Sebastián
Today17:00☁20°Overcast☂ 35% · ↝ S 12 km/h
Today20:00☁19°Overcast☂ 100% · ↝ S 9 km/h
Today23:00☂18°Overcast with light rain☂ 100% · ↝ S 11 km/h
Tomorrow02:00☂16°Overcast with rain☂ 100% · ↝ NE 8 km/h
Tomorrow05:00☂16°Overcast with light rain☂ 100% · ↝ E 7 km/h
Tomorrow08:00☂16°Overcast with light rain☂ 55% · ↝ W 16 km/h
Tomorrow11:00☀18°Clear☂ 55% · ↝ SW 7 km/h
Tomorrow14:00☀19°Clear☂ 100% · ↝ W 16 km/h
Tomorrow17:00☁17°Overcast☂ 100% · ↝ S 9 km/h
Tomorrow20:00☂16°Overcast with light rain☂ 100% · ↝ W 15 km/h
Tomorrow23:00☂15°Overcast with light rain☂ 100% · ↝ N 14 km/h
Friday 1302:00☂15°Overcast with light rain · ↝ N 10 km/h
Friday 1305:00☁14°Overcast · ↝ N 2 km/h

Today’s weather

At 17:00, the forecast indicates sky conditions of overcast and a forecast temperature of 20 °C. This period also has a feels-like temperature of 20 °C, 35% chance of rain and wind S at 12 km/h. For the day as a whole, the published forecast gives a high of 21 °C, water temperature around 17 °C and a maximum UV index of 2.

Next days

Today

☁

High cloud

Low 17°High 21°
MorningHigh cloudAfternoonOvercast
☂ Rain 100% ↝ S · 11 km/h Gusts 27 km/h Humidity 54–72% ◉ Water 17° ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Tomorrow

☀

Clear

Low 15°High 20°
MorningClearAfternoonOvercast
☂ Rain 100% ↝ SW · 7 km/h Gusts 37 km/h Humidity 63–96% ◉ Water 18° ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Friday 13

☂

Overcast with light rain

Low 14°High 15°
☂ Rain 100% ↝ NE · 10 km/h Gusts 19 km/h Humidity 89–94% ◉ Water 17° ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Saturday 14

☂

Sunny intervals with light rain

Low 11°High 19°
☂ Rain 70% ↝ NW · 10 km/h Humidity 65–100% ☀ UV 2
Daily municipal forecast · issued 11/11 13:29

Water health

Water quality

NÁYADE source
Latest available test28/09/2026NÁYADE · 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
28/09/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
21/09/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
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
29/09/2025No published assessment63 UFC/100 ml74 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
22/09/2025No published assessment31 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
15/09/2025No published assessment10 UFC/100 ml52 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
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 28/09/2026. 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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