Croatia · Zadar
Sveti Jerolim
Ugljan — Zadar, Croatia
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 | 27.8 | 0.3 |
| Thu 3 | 27.4 | 0.4 |
| Fri 4 | 27.5 | 0.2 |
| Sat 5 | 27.4 | 0.1 |
| Sun 6 | 27.7 | 0.2 |
| Mon 7 | 27.9 | 0.1 |
| Tue 8 | 27.7 | 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: Not classified2020
- 2021: Not classified2021
- 2022: Not classified2022
- 2023: Not classified2023
- 2024: Not classified2024
- 2025: Not classified2025
Not classified in the most recent season, and 5 of 5 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 | Not classified |
| 2021 | Not classified |
| 2022 | Not classified |
| 2023 | Not classified |
| 2024 | Not classified |
| 2025 | Not classified |
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 | 14 |
| 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
- Mjesno Kupalište6.3 kmRivanj, Zadar
- Rt Radman6.8 kmPetrčane, Zadar
- Sv. Bartul7.0 kmKožino, Zadar
- Kožino- primorje7.2 kmZadar
Distances calculated as straight-line (haversine) from official coordinates.
Getting there & around
- By car: there's parking about ~310 m from the beach.
- Nearest bus stop is about ~530 m away.
Food, stays & town
- Nearest village: Ugljan, about ~300 m away.
- 7 places to eat within 1 km Closest is pizzeria Mareta, about ~100 m away.
- 8 places to stay mapped nearby Closest is Kamp Sv. Jeronim, about ~120 m away.
- 4 shops nearby, the closest about ~380 m away
What kind of beach is this?
This beach sits in a built-up resort setting, with hotels, restaurants and services clustered around it — a full-service stretch of coast that tends to be busy in peak season and quieter outside it.
Estimated from OpenStreetMap surroundings data (ODbL).
- Full-service days
Is the water clean at Sveti Jerolim?
Thinking of swimming at Sveti Jerolim? The short answer: its official EU Bathing Water rating for 2025 is Not classified — not enough samples in this year to assign an official rating. 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, IZOR (Croatia's Institute of Oceanography and Fisheries) — publish individual water sample results during the season itself, ahead of the annual report. There's parking about ~310 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 5 classified seasons on record has come back Excellent or Good. On site you'll find Showers, Restaurant, and Changing rooms.
Worth remembering: “Not classified” 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 Ugljan, Zadar. There are 7 places to eat within a kilometre — pizzeria Mareta is the closest, about ~100 m away.
Frequently asked questions
Is it safe to go in the water at Sveti Jerolim?
Caution is advised — Sveti Jerolim's official 2025 rating is Not classified. Check for local advisories and posted flags before going in.
What's the current water temperature at Sveti Jerolim?
The latest reading puts the sea at Sveti Jerolim at around 27°C — the “Right now” panel above has the full live picture. That's the reading right off Ugljan, Zadar. On the modeled climatology here, August usually runs warmest.
When does Sveti Jerolim have the warmest water?
If you're planning around water temperature, July–September is the window to target — the modeled sea temperature is typically highest then. That applies to the water around Ugljan, Zadar. 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 Sveti Jerolim doesn't have one published yet.
What's the easiest way to reach Sveti Jerolim?
By car, there's parking about ~310 m from the beach. There's a bus stop about ~530 m from the beach. The nearest town is Ugljan, about ~300 m away.