Playa San Juan de Nieva
Ángel M. Felicísimo from Mérida, España · CC BY-SA 2.0 · Wikimedia Commons

Castrillón · Asturias

Playa San Juan de Nieva

Swimming conditions, water quality, sea, tides and facilities

1,500 mSand
Daily high19 °CUV2High tide04:46Low tide22:34JellyfishNo recent information
Directions →
Swimming statusUnconfirmed swimming flagNo current data

Now

Forecast for 18:00

AEMET · issued 11/11 14:09
☂
SkyOvercast with light rain
Temperature16 °CFeels like 16 °C
Forecast rain100%
Humidity86%
WindSE 8 km/hGusts 13 km/h
Maximum UV2

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 Castrillón
Today18:00☂16°Overcast with light rain☂ 100% · ↝ SE 8 km/h
Today21:00☂15°Overcast with light rain☂ 100% · ↝ S 3 km/h
Tomorrow00:00☂15°Overcast with light rain☂ 80% · ↝ SW 5 km/h
Tomorrow03:00☁14°Mostly cloudy☂ 70% · ↝ W 8 km/h
Tomorrow06:00◐14°Partly cloudy☂ 70% · ↝ W 8 km/h
Tomorrow09:00☂14°Overcast with light rain☂ 95% · ↝ W 7 km/h
Tomorrow12:00◐15°Partly cloudy☂ 95% · ↝ W 13 km/h
Tomorrow15:00☂15°Overcast with light rain☂ 100% · ↝ W 17 km/h
Tomorrow18:00☂14°Overcast with light rain☂ 100% · ↝ W 6 km/h
Tomorrow21:00☁13°Mostly cloudy☂ 80% · ↝ SW 8 km/h
Friday 1300:00☁13°Mostly cloudy · ↝ S 6 km/h
Friday 1303:00☁12°Overcast · ↝ S 4 km/h
Friday 1306:00☂13°Overcast with light rain · ↝ E 9 km/h

Today’s weather

At 18:00, the forecast indicates sky conditions of overcast with light rain and a forecast temperature of 16 °C. This period also has a feels-like temperature of 16 °C, 100% chance of rain and wind SE at 8 km/h. For the day as a whole, the published forecast gives a high of 19 °C and a maximum UV index of 2.

Next days

Today

☁

Mostly cloudy

Low 13°High 19°
MorningMostly cloudyAfternoonOvercast with light rain
☂ Rain 100% ↝ S · 5 km/h Gusts 21 km/h Humidity 70–92% ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Tomorrow

☁

Mostly cloudy

Low 13°High 16°
MorningMostly cloudyAfternoonOvercast with light rain
☂ Rain 100% ↝ W · 13 km/h Gusts 32 km/h Humidity 86–100% ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Friday 13

☁

Mostly cloudy

Low 12°High 13°
☂ Rain 100% ↝ E · 20 km/h Gusts 16 km/h Humidity 95–100% ☀ UV 2
Hourly municipal forecast · issued 11/11 14:09

Saturday 14

☂

Cloudy with rain

Low 12°High 17°
☂ Rain 90% ↝ NW · 5 km/h Humidity 85–100% ☀ UV 2
Daily municipal forecast · issued 11/11 13:29

Water health

Water quality

NÁYADE source
Latest available test25/08/2026NÁYADE · Ministerio de Sanidad · ES12000016M33016D1
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
25/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
04/08/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
14/07/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
23/06/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
27/05/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
25/08/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
12/08/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
14/07/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
16/06/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
27/05/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
12/08/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
29/07/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
15/07/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
02/07/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
28/05/2024Suitable for bathing135 NMP/100 mL41 NMP/100 mL
21/08/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
07/08/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
24/07/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
10/07/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
12/06/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
15/05/2023Suitable for bathing10 NMP/100 mL10 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 25/08/2026. The available annual classification for 2025 is excellent; this is a historical assessment, not confirmation of today’s conditions.

Beach at a glance

What it is like

Characteristics published by official sources

Playa San Juan de Nieva, also known as El Espartal, is a beach 1,500 metres long and 60 metres wide, situated in a specially protected dune area. Golden sand, vegetation and strong swell define a semi-urban frontage with high visitor numbers. Its protection combines the designations of Natural Monument, ZEPA and Site of Community Importance (SCI). It is easily reached on foot or by car via the N-632, with more than 100 parking spaces, catering, a surfing area and adapted facilities.

Length1,500 mApproximate size of the beach
Typical width60 mPublished average width
CompositionSandPredominant material
Sand typeGoldenPublished texture or colour
SettingSemi-urbanLevel of development
Coastal settingDunesSurrounding landscape
Access typeEasy on foot · By carPublished access options
Available characteristicVegetation and dunes
Available characteristicProtected area

Available facilities

Facilities

Only facilities published as available are shown
WC
Showers
Bins
Cleaning service
Food and drink
Surfing area
MarinaAvilés

Facilities and comfort

Confirmed facilities include toilets, showers, bins, a cleaning service and food and drink.

Activities

Published information identifies a surfing area and the nearby Avilés marina.

Access and safety

Accessibility and safety

Accessibility and transport

✓
Accessible accessPublished accessible access
✓
ParkingMore than 100 spaces
✓
BusUrban bus (Avilés - Salinas)

Safety and assistance

⚑
LifeguardsSummer season · Emergency number 112
+
First aidPublished first-aid post
!
Safety signageOfficial beach safety signage
+
Nearest health facilityHospital de San Agustín · 7 km

Access and accessibility

Accessibility information confirms step-free or accessible access. Travel options include parking, a bus connection and access from N-632.

Location

Directions

Open directions in Google Maps

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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