Playa del Sablón de Bayas
Geologist15 · CC BY-SA 4.0 · Wikimedia Commons

Castrillón · Asturias

Playa del Sablón de Bayas

Swimming conditions, water quality, sea, tides and facilities

Water17 °CDaily high19 °CUV2High tide04:39Low tide22:26JellyfishNo recent observationsLess favourable conditions · estimate
Directions →
Swimming statusUnconfirmed swimming flagNo current data

Now

Forecast for 17:00

AEMET · issued 11/11 14:09
☂
SkyOvercast with light rain
Temperature16 °CFeels like 16 °C
Forecast rain100%
Humidity82%
WindSE 7 km/hGusts 14 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 wind7 km/h · 179°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 Castrillón
Today17:00☂16°Overcast with light rain☂ 100% · ↝ SE 7 km/h
Today20:00☂15°Overcast with light rain☂ 100% · ↝ SE 5 km/h
Today23:00☂15°Overcast with light rain☂ 100% · ↝ SW 5 km/h
Tomorrow02:00☁14°Overcast☂ 70% · ↝ SW 8 km/h
Tomorrow05:00☁13°Overcast☂ 70% · ↝ W 12 km/h
Tomorrow08:00☀14°Clear☂ 95% · ↝ W 10 km/h
Tomorrow11:00☁15°Mostly cloudy☂ 95% · ↝ W 13 km/h
Tomorrow14:00☁16°Overcast☂ 100% · ↝ W 18 km/h
Tomorrow17:00☂14°Overcast with light rain☂ 100% · ↝ W 5 km/h
Tomorrow20:00☁13°Overcast☂ 80% · ↝ SW 7 km/h
Tomorrow23:00☁13°Overcast☂ 80% · ↝ SW 5 km/h
Friday 1302:00☁13°Overcast · ↝ S 7 km/h
Friday 1305:00☁12°Overcast · ↝ SE 8 km/h

Today’s weather

At 17:00, 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 7 km/h. For the day as a whole, the published forecast gives a high of 19 °C, water temperature around 17 °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% ◉ Water 17° ☀ 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% ◉ Water 18° ☀ 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 test17/08/2026NÁYADE · Ministerio de Sanidad · ES12000016M33016E1
E. coli10 NMP/100 mL
Enterococci20 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
17/08/2026Suitable for bathing10 NMP/100 mL20 NMP/100 mL
20/07/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
29/06/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
08/06/2026Suitable for bathing10 NMP/100 mL10 NMP/100 mL
18/05/2026Suitable for bathing41 NMP/100 mL20 NMP/100 mL
01/09/2025Suitable for bathing10 NMP/100 mL20 NMP/100 mL
05/08/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
07/07/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
16/06/2025Suitable for bathing10 NMP/100 mL10 NMP/100 mL
19/05/2025Suitable for bathing74 NMP/100 mL10 NMP/100 mL
06/08/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
22/07/2024Suitable for bathing41 NMP/100 mL10 NMP/100 mL
08/07/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
13/05/2024Suitable for bathing10 NMP/100 mL10 NMP/100 mL
22/08/2023Suitable 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
12/06/2023Suitable for bathing10 NMP/100 mL10 NMP/100 mL
15/05/2023Suitable for bathing20 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 17/08/2026. 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

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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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