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 | 27.6 | 0.3 |
| Thu 3 | 27.3 | 0.1 |
| Fri 4 | 27.0 | 0.3 |
| Sat 5 | 26.9 | 0.2 |
| Sun 6 | 27.5 | 0.1 |
| Mon 7 | 27.4 | 0.3 |
| Tue 8 | 27.0 | 0.2 |
Water quality history
Official EEA classification, one rating per bathing season, 2015–2025 — real data reported by national authorities.
- 2015: Not classified2015
- 2016: Not classified2016
- 2017: Not classified2017
- 2018: Not classified2018
- 2019: Not classified2019
- 2020: Not classified2020
- 2021: Not classified2021
- 2022: Not classified2022
- 2023: Not classified2023
- 2024: Not classified2024
- 2025: Excellent2025
Excellent in the most recent season, and 1 of 1 classified years rated Excellent or Good.
- Excellent
- Good
- Sufficient
- Poor
- Not classified
View as table
| Year | Classification |
|---|---|
| 2015 | Not classified |
| 2016 | Not classified |
| 2017 | Not classified |
| 2018 | Not classified |
| 2019 | Not classified |
| 2020 | Not classified |
| 2021 | Not classified |
| 2022 | Not classified |
| 2023 | Not classified |
| 2024 | Not classified |
| 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 | 16 |
| Mar | 16 |
| Apr | 18 |
| May | 21 |
| Jun | 24 |
| Jul | 26 |
| Aug | 27 |
| Sep | 26 |
| Oct | 24 |
| Nov | 21 |
| Dec | 18 |
Location & nearby beaches
Nearby beaches
- Pontikou1.6 kmCentral Greece
- Karavos4.8 kmCentral Greece
- Amarynthos5.1 kmCentral Greece
- Amarynthos8.6 kmCentral Greece
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- Easy by car — there's parking close to the beach.
- Nearest bus stop is about ~580 m away.
Food, stays & town
- Nearest village: Ακτή Νηρέως, about ~1.0 km away.
- 1 place to eat within 1 km
What kind of beach is this?
This beach belongs to a small coastal village. It's usually calmer than a resort or town beach, though a popular village spot can still fill up on the best summer days.
Estimated from OpenStreetMap surroundings data (ODbL).
Is the water clean at Nireos?
Nireos is a coastal bathing site with an official EU Bathing Water rating of Excellent for the 2025 season — the highest official classification under the EU bathing-water assessment. That annual classification comes from the EU Bathing Water Directive: national authorities test for two indicator bacteria, intestinal enterococci and E. coli, throughout the bathing season, then report the full-season results to the European Environment Agency (EEA) the following spring — the 2025 season's rating was published in spring 2026, and the 2026 season won't be rated 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. On site you'll find Restaurant and Parking. There's parking about ~50 m from the beach.
Looking to avoid the busiest weeks? The water is typically warmest around August, with the most reliable swimming window running July–September; outside that stretch you'll find a cooler sea but a quieter beach. That rating has been consistent: every one of the 1 classified seasons on record has come back Excellent or Good. The nearest town, Ακτή Νηρέως, is about ~1.0 km away.
Worth remembering: “Excellent” isn't a live reading, it's an annual grade — Excellent, Good, Sufficient or Poor — set once a year from that season's water samples and describing the average, not this afternoon's conditions. For what the sea is doing right now, check the “Right now” panel and 7-day outlook above. It sits in Central Greece.
Frequently asked questions
Should you swim at Nireos?
Yes, without much reservation. Nireos holds the top EU Bathing Water classification, Excellent, for 2025, and 1 of 1 classified seasons here have rated Excellent or Good.
What temperature is the sea at Nireos right now?
The most recent reading for Nireos shows the sea at around 27°C. For live, up-to-the-hour conditions, see the “Right now” panel above. That's the reading right off Central Greece. On the modeled climatology here, August usually runs warmest.
When does Nireos have the warmest water?
For the warmest water, aim for July–September — that's when the modeled sea temperature is typically at its best. That applies to the water around Central Greece. Within that window, August is typically the single warmest month.
Who measures the water quality rating, and how?
Behind the annual grade: a season of testing for intestinal enterococci and E. coli, reported to the European Environment Agency each spring under the EU Bathing Water Directive. A few countries, Croatia via IZOR included, also publish individual in-season samples ahead of that report, but Nireos doesn't have one published yet.
What's nearby Nireos — parking, buses, or a ferry?
By car, it's easy — parking is right by the beach. There's a bus stop about ~580 m from the beach. The nearest town is Ακτή Νηρέως, about ~1.0 km away.