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 | 28.0 | 0.4 |
| Thu 3 | 28.1 | 0.3 |
| Fri 4 | 28.0 | 0.2 |
| Sat 5 | 28.0 | 0.2 |
| Sun 6 | 27.9 | 0.2 |
| Mon 7 | 28.0 | 0.1 |
| Tue 8 | 28.0 | 0.1 |
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: Good2023
- 2024: Good2024
- 2025: Good2025
Good 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 | Good |
| 2024 | Good |
| 2025 | Good |
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 | 15 |
| Feb | 15 |
| Mar | 15 |
| Apr | 17 |
| May | 20 |
| Jun | 23 |
| Jul | 25 |
| Aug | 26 |
| Sep | 25 |
| Oct | 23 |
| Nov | 20 |
| Dec | 17 |
Location & nearby beaches
Nearby beaches
- 283 m
- 454 m
- 772 m
- 774 m
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- By car: there's parking about ~470 m from the beach.
- Nearest bus stop is about ~250 m away.
- Nearest ferry landing is about ~240 m away.
Food, stays & town
- Nearest town: Lerici, about ~200 m away.
- 26 places to eat within 1 km Closest is Ciccillo, about ~60 m away.
- 2 shops nearby, the closest about ~320 m away
What kind of beach is this?
This is a town beach, woven into the everyday fabric of a city or larger settlement — expect company on warm days, especially through July and August, alongside easy access to shops and services.
Estimated from OpenStreetMap surroundings data (ODbL).
Is the water clean at San Giorgio Dietro Castello?
San Giorgio Dietro Castello sits on a stretch of coast classed as a coastal bathing site, carrying an official EU Bathing Water rating of Good 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. You can park about ~470 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. Lerici — the closest town — sits about ~200 m from here.
That “Good” 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 Good for 3 straight years. There are 26 places to eat within a kilometre — Ciccillo is the closest, about ~60 m away.
Frequently asked questions
Can you safely swim at San Giorgio Dietro Castello?
Yes. Its official 2025 EU Bathing Water rating is Good, the second-highest classification, and 11 of the 11 classified seasons on record have rated Excellent or Good. It's also held steady at Good for 3 straight years.
How warm is the sea at San Giorgio Dietro Castello right now?
As of the latest update, the sea temperature at San Giorgio Dietro Castello is around 28°C — see the “Right now” panel above for live conditions.
Which month has the warmest sea at San Giorgio Dietro Castello?
July–September is typically the most reliable swimming window, with the sea usually warmest in the second half of summer.
How is the water quality rating measured?
The annual classification — Excellent, Good, Sufficient or Poor — is built from a full season of official testing for intestinal enterococci and E. coli, reported to the European Environment Agency each spring. Some national authorities (Croatia's IZOR among them) also publish individual samples during the season itself; San Giorgio Dietro Castello isn't yet covered by that in-season feed.
How do I get to San Giorgio Dietro Castello without a car?
By car, there's parking about ~470 m from the beach. There's a bus stop about ~250 m from the beach. There's a ferry landing about ~240 m from the beach. The nearest town is Lerici, about ~200 m away.