Water temperature in Castiadas

This data the coastal Castiadas 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 Castiadas

Water temperature in Castiadas today is 25.4°C. Based on our historical data over a period of ten years, the warmest water in this day in Castiadas was recorded in 2021 and was 25.5°C, and the coldest was recorded in 2010 at 22.5°C. Sea water temperature in Castiadas is expected to drop to 23.4°C in the next 10 days. September average water temperature in Castiadas is 25.2°C, the minimum temperature is 22.3°C, and the maximum is 27.8°C.

The swimming season in Castiadas lasts from June to November. During those months, Castiadas water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Castiadas in winter reaches 15.2°C, in spring 15.9°C, in summer the average temperature rises to 24.7°C, and in autumn it is 22.3°C.

Castiadas water temperature now

The sea salinity in Castiadas is 37.94‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Castiadas 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 Castiadas. 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 Castiadas. 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 Castiadas

Castiadas weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
19.8°C	19°C	18.6°C	22.2°C

12-15 h	15-18 h	18-21 h	21-24 h
24.6°C	25°C	22.6°C	20°C

Castiadas water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Castiadas. 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 Castiadas 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 Castiadas

The nearest beaches and cities from Castiadas 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
Capoferrato	25.3°C	25°C		0.18 m
Villasimius	25.5°C	25°C		0.24 m
Punta Molentis	25.5°C	25°C		0.24 m
Solanas	25.5°C	25°C		0.22 m
Porto Sa Ruxi	25.5°C	25°C		0.22 m
Capo Carbonara	25.6°C	25°C		0.22 m
Cala Caterina	25.6°C	25°C		0.22 m
Torre Delle Stelle	25.4°C	25°C		0.21 m
Mari Pintau	25.3°C	25°C		0.13 m
Porto Corallo	25°C	25°C		0.24 m

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Our report for Castiadas 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.