On the beach
Right now
Live conditions from Open-Meteo, refreshed hourly.
7-day outlook
7-day marine forecast from Open-Meteo.
Sea temperature
Next 7 days, °C
Wave height
Next 7 days, metres
View as table
| Day | Sea temp (°C) | Wave height (m) |
|---|---|---|
| Wed 2 | 20.9 | 1.0 |
| Thu 3 | 21.0 | 0.8 |
| Fri 4 | 21.3 | 0.8 |
| Sat 5 | 21.2 | 1.6 |
| Sun 6 | 21.2 | 1.7 |
| Mon 7 | 21.2 | 1.3 |
| Tue 8 | 21.5 | 1.3 |
Water quality history
Official EEA classification, one rating per bathing season, 2015–2025 — real data reported by national authorities.
- 2015: Excellent2015
- 2016: Excellent2016
- 2017: Excellent2017
- 2018: Excellent2018
- 2019: Excellent2019
- 2020: Excellent2020
- 2021: Excellent2021
- 2022: Excellent2022
- 2023: Excellent2023
- 2024: Excellent2024
- 2025: Excellent2025
Excellent in the most recent season, and 11 of 11 classified years rated Excellent or Good.
- Excellent
- Good
- Sufficient
- Poor
- Not classified
View as table
| Year | Classification |
|---|---|
| 2015 | Excellent |
| 2016 | Excellent |
| 2017 | Excellent |
| 2018 | Excellent |
| 2019 | Excellent |
| 2020 | Excellent |
| 2021 | Excellent |
| 2022 | Excellent |
| 2023 | Excellent |
| 2024 | Excellent |
| 2025 | Excellent |
Typical sea temperature by month
Modeled estimatePlausible seasonal climatology derived from latitude, for illustration — not a measured average.
Monthly sea temperature
Typical range across the year, °C
View as table
| Month | Typical sea temp (°C) |
|---|---|
| Jan | 16 |
| Feb | 15 |
| Mar | 16 |
| Apr | 17 |
| May | 20 |
| Jun | 22 |
| Jul | 24 |
| Aug | 24 |
| Sep | 24 |
| Oct | 22 |
| Nov | 20 |
| Dec | 18 |
Location & nearby beaches
Nearby beaches
- Playa de Salinas1.9 kmAsturias
- Playa de Xag?2.0 kmAsturias
- Playa de Xag?2.9 kmAsturias
- Playa Arnao3.4 kmAsturias
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- By car: there's parking about ~440 m from the beach.
Food, stays & town
- Nearest city: Avilés, about ~4.1 km away.
- 1 place to eat within 1 km Closest is Club del Mar San Juan de Nieva, about ~330 m away.
What kind of beach is this?
With no facilities mapped nearby, this beach is usually on the quiet side even in season — worth knowing if you're after solitude, but also worth bringing your own water and shade.
Estimated from OpenStreetMap surroundings data (ODbL).
- Families
- A quiet swim
Is the water clean at Playa San Juan de Nieva?
Playa San Juan de Nieva sits on a stretch of coast classed as a coastal bathing site, carrying an official EU Bathing Water rating of Excellent for the 2025 season. Under the EU Bathing Water Directive, national authorities test for intestinal enterococci and E. coli through the season and report the results the following spring — the 2025 rating was published in spring 2026, and 2026's won't follow until spring 2027. In addition to that yearly rating, some national authorities — for Croatia, the national environmental authority — publish individual water sample results during the season itself, ahead of the annual report. It sits in Asturias. You can park about ~440 m away.
That rating has been consistent: every one of the 11 classified seasons on record has come back Excellent or Good. If you're timing a visit around water temperature rather than crowds, July–September is the safest bet, with August typically the peak — expect a cooler, calmer sea either side of that stretch. Avilés — the closest town — sits about ~4.1 km from here.
That “Excellent” label comes from a full season of official water sampling, not a single test — it's one step on a four-point scale (Excellent, Good, Sufficient, Poor) reassessed once a year. Today's actual conditions can differ from the seasonal average, so for a live snapshot see the “Right now” and 7-day outlook panels above. It's been a consistently reliable spot too — the rating has held at Excellent for 11 straight years. There's 1 place to eat near the beach — Club del Mar San Juan de Nieva, about ~330 m away.
Frequently asked questions
Can you safely swim at Playa San Juan de Nieva?
It's about as safe as bathing water gets: Playa San Juan de Nieva's 2025 EU rating is Excellent, the top tier on the scale, and 11 of 11 classified seasons have come back Excellent or Good. It's also held steady at Excellent for 11 straight years.
How warm is the sea at Playa San Juan de Nieva right now?
Right now, the sea at Playa San Juan de Nieva is measuring around 21°C; see the “Right now” panel above for the latest conditions. That's the reading right off Asturias.
Which month has the warmest sea at Playa San Juan de Nieva?
July–September is typically the most reliable swimming window, with the sea usually warmest in the second half of summer. That applies to the water around Asturias.
What's behind the water quality rating shown above?
National authorities sample the water for intestinal enterococci and E. coli bacteria through the bathing season and report the full-season results to the European Environment Agency each spring for the season just finished, which assigns one of four annual classifications — Excellent, Good, Sufficient or Poor — under the EU Bathing Water Directive. Some national authorities, including Croatia's IZOR, also publish individual in-season sample results ahead of that annual report.
How do I get to Playa San Juan de Nieva without a car?
By car, there's parking about ~440 m from the beach. The nearest town is Avilés, about ~4.1 km away.