Water temperature in Kastela

This data the coastal Kastela sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Kastela

Water temperature in Kastela today is 23.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the Adriatic Sea near Kastela was recorded in 2011 and was 23.1°C, and the coldest was recorded in 2008 at 19.2°C. Sea water temperature in Kastela is expected to drop to 21.3°C in the next 10 days. September average water temperature in Kastela is 23°C, the minimum temperature is 19°C, and the maximum is 26.2°C.

The swimming season in Kastela lasts from June to October. During those months, Kastela water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Kastela in winter reaches 14.4°C, in spring 15.3°C, in summer the average temperature rises to 24°C, and in autumn it is 20.7°C.

Kastela water temperature now

The sea salinity in Kastela is 38.57‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Kastela for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Kastela. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Kastela. Data in table shown for 27 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Kastela

Kastela weather forecast

Current temperature and weather

Data in a table show Kastela temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Kastela.

0-3 h	3-6 h	6-9 h	9-12 h
18.4°C	17.8°C	17.2°C	21.1°C

12-15 h	15-18 h	18-21 h	21-24 h
21.8°C	22.1°C	19.7°C	19°C

Kastela water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Kastela. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Kastela on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Kastela

The nearest beaches and cities from Kastela with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Kastel Stafilic	23.5°C	22°C		0.08 m
Kastel Stari	23.5°C	22°C		0.08 m
Kastel Novi	23.5°C	22°C		0.08 m
Slatine	23.6°C	22°C		0.06 m
Arbanija	23.7°C	22°C		0.08 m
Mastrinka	23.7°C	22°C		0.08 m
Trogir	23.7°C	22°C		0.1 m
Okrug Donji	23.7°C	22°C		0.1 m
Okrug Gornji	23.7°C	22°C		0.1 m
Bacvice	23.6°C	22°C		0.04 m

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Get widget or API for your website

Our report for Kastela is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.