Water temperature in Dassia

This data the coastal Dassia 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 Dassia

Water temperature in Dassia today is 25.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the Ionian Sea near Dassia was recorded in 2024 and was 27.8°C, and the coldest was recorded in 2010 at 23.5°C. Sea water temperature in Dassia is expected to rise to 25.2°C in the next 10 days. September average water temperature in Dassia is 25.1°C, the minimum temperature is 21.5°C, and the maximum is 28.2°C.

The swimming season in Dassia lasts from May to November. During those months, Dassia water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Dassia in winter reaches 16°C, in spring 17°C, in summer the average temperature rises to 24.9°C, and in autumn it is 22.7°C.

Dassia water temperature now

The sea salinity in Dassia is 38.87‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Dassia 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 Dassia. 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 Dassia. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Dassia

Dassia weather forecast

Current temperature and weather

Data in a table show Dassia temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Dassia.

0-3 h	3-6 h	6-9 h	9-12 h
22.4°C	22.4°C	22.2°C	25.5°C

12-15 h	15-18 h	18-21 h	21-24 h
26.8°C	26°C	25°C	24.1°C

Dassia water temperature by month

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

The nearest beaches and cities from Dassia 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
Ipsos	25.1°C	26°C		0.46 m
Kommeno	25.1°C	26°C		0.46 m
Barbati	25°C	26°C		0.46 m
Nissaki	25°C	26°C		0.46 m
Kerasia beach	25.1°C	26°C		0.35 m
Kontokali	25°C	26°C		0.71 m
Gouvia	25°C	26°C		0.71 m
Kanoni	25.4°C	26°C		0.77 m
Butrint	25.1°C	26°C		0.35 m
Avlaki Beach	25°C	26°C		0.35 m

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Our report for Dassia 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.