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 | 28.9 | 0.2 |
| Thu 3 | 28.9 | 0.2 |
| Fri 4 | 28.9 | 0.1 |
| Sat 5 | 28.8 | 0.3 |
| Sun 6 | 28.9 | 0.1 |
| Mon 7 | 29.0 | 0.1 |
| Tue 8 | 29.0 | 0.2 |
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: Good2022
- 2023: Sufficient2023
- 2024: Poor2024
- 2025: Poor2025
Poor in the most recent season, and 8 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 | Good |
| 2023 | Sufficient |
| 2024 | Poor |
| 2025 | Poor |
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 | 18 |
| May | 21 |
| Jun | 23 |
| Jul | 25 |
| Aug | 26 |
| Sep | 25 |
| Oct | 23 |
| Nov | 21 |
| Dec | 18 |
Location & nearby beaches
Nearby beaches
- Mulinacciu4.0 kmCorse-du-Sud
- Pisciarone6.1 kmCorse-du-Sud
- Mura Di L'Onda7.7 kmCorse-du-Sud
- Alzu Di Gallina8.0 kmCorse-du-Sud
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- No parking is mapped within 1.5 km of the beach — expect a walk, or arrive early once the season gets busy.
Food, stays & town
- Nearest village: Araggio, about ~4.3 km 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).
- A quiet swim
Is the water clean at Amont Retenue?
Thinking of swimming at Amont Retenue? The short answer: its official EU Bathing Water rating for 2025 is Poor — below the EU standard; swimming may be discouraged or restricted by local authorities. That rating is set once a year under the EU Bathing Water Directive, from a full season of testing for intestinal enterococci and E. coli reported to the European Environment Agency the following spring, so the 2025 season's grade appeared in spring 2026 and the 2026 season won't be graded 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's been a consistently reliable spot too — the rating has held at Poor for 2 straight years.
Over the 11 classified seasons on record, 8 have come back Excellent or Good — a track record worth checking each year rather than assuming. 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. The nearest town, Araggio, is about ~4.3 km away.
“Poor” is one point on a four-step scale — Excellent, Good, Sufficient or Poor — assigned once per year from that season's water samples, not a live reading. It describes how the site performs on average across the season, not the exact water quality this afternoon; for day-to-day sea conditions, see the “Right now” and 7-day outlook panels above.
Frequently asked questions
Is Amont Retenue safe to swim in?
Amont Retenue's official 2025 rating is Poor, which is why local advisories and posted flags are worth checking before swimming.
What is the sea temperature at Amont Retenue today?
The most recent reading for Amont Retenue shows the sea at around 28°C. For live, up-to-the-hour conditions, see the “Right now” panel above. That's the reading right off Corse-du-Sud. On the modeled climatology here, August usually runs warmest.
When should you plan a swimming trip to Amont Retenue?
For swimming, July–September is usually the best call — that's the modeled window when the sea here runs warmest. That applies to the water around Corse-du-Sud. 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 Amont Retenue doesn't have one published yet.
What's nearby Amont Retenue — parking, buses, or a ferry?
There's no parking mapped within 1.5 km of Amont Retenue, so plan on a walk, or arrive early once it gets busy. The nearest town is Araggio, about ~4.3 km away.