Croatia · Primorje-Gorski Kotar

Sea temperature at Bivio - Kostanj, plaža za invalide

26°C

Warm and pleasant for swimming

Updated hourly from the live marine forecast. See the 12-month typical range and, where available, real measured readings further down the page.

7-day outlook

7-day sea temperature forecast from Open-Meteo, refreshed hourly.

Sea temperature

Next 7 days, °C

27°27°27°27°27°27.2 °CWed 2Thu 3Fri 4Sat 5Sun 6Mon 7Tue 8
View as table
7-day sea temperature forecast for Bivio - Kostanj, plaža za invalide
DaySea temp (°C)
Wed 226.7
Thu 326.7
Fri 426.9
Sat 526.9
Sun 627.1
Mon 727.2
Tue 827.2

Sea temperature by month

Modeled climatology derived from latitude and season.

Typical vs. measured sea temperature

12-month view, °C — modeled line vs. measured sample averages

12°16°20°24°28°JanFebMarAprMayJunJulAugSepOctNovDec
View as table
Modeled vs. measured monthly sea temperature at Bivio - Kostanj, plaža za invalide
MonthModeled (°C)Measured avg. (°C)
Jan15
Feb14
Mar15
Apr17
May20
Jun23
Jul25
Aug26
Sep25
Oct23
Nov20
Dec17

No measured in-season sea temperature has been published for Bivio - Kostanj, plaža za invalide yet — the chart above shows the modeled climatology only. Some countries (Croatia, via IZOR) also record the sea temperature at each official water sample; check the water quality page for this beach's sampling status.

ExcellentOfficial 2025 EU bathing water rating for Bivio - Kostanj, plaža za invalide. See the full water quality history →

← Back to the Bivio - Kostanj, plaža za invalide overview

Frequently asked questions

What's the current water temperature at Bivio - Kostanj, plaža za invalide?

Right now the water at Bivio - Kostanj, plaža za invalide is around 26°C, per the latest hourly update. Check the 7-day chart above for the trend, or the monthly chart below for how that compares to the seasonal norm. That's the reading right off Rijeka, Primorje-Gorski Kotar.

When is the best time to swim at Bivio - Kostanj, plaža za invalide?

June–October, when the modeled water temperature is typically above 22°C — widely considered comfortably warm for swimming. August usually runs warmest. That applies to the water around Rijeka, Primorje-Gorski Kotar.

Is the sea temperature chart above measured or estimated?

Not yet for Bivio - Kostanj, plaža za invalide — the chart above shows a modeled estimate derived from latitude and season, not a measured average. Some countries (Croatia, via IZOR) also publish the sea temperature recorded at each official water sample; when that data exists for a beach it's plotted alongside the modeled curve.