Water temperature in Costa Navarino

This data the coastal Costa Navarino 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 Costa Navarino

Water temperature in Costa Navarino today is 25.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Ionian Sea near Costa Navarino was recorded in 2019 and was 26°C, and the coldest was recorded in 2008 at 23.8°C. Sea water temperature in Costa Navarino is expected to drop to 24.2°C in the next 10 days. September average water temperature in Costa Navarino is 25.9°C, the minimum temperature is 23.1°C, and the maximum is 28.7°C.

The swimming season in Costa Navarino lasts from May to November. During those months, Costa Navarino water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Costa Navarino in winter reaches 17.2°C, in spring 17.2°C, in summer the average temperature rises to 25°C, and in autumn it is 23.6°C.

Costa Navarino water temperature now

The sea salinity in Costa Navarino is 39.14‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Costa Navarino 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 Costa Navarino. 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 Costa Navarino. 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 Costa Navarino

Costa Navarino weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
22.7°C	22.3°C	21.9°C	23.1°C

12-15 h	15-18 h	18-21 h	21-24 h
23.6°C	23.8°C	23.6°C	22.5°C

Costa Navarino water temperature by month

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

The nearest beaches and cities from Costa Navarino 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
Romanos	25.8°C	24°C		0.35 m
Voidokilia beach	25.8°C	24°C		0.35 m
Gialova	25.8°C	24°C		0.35 m
Methoni	25.8°C	24°C		0.34 m
Petalidi	25.9°C	24°C		0.3 m
Filiatra	25.5°C	25°C		0.3 m
Kyparissia	25.3°C	25°C		0.29 m
Koroni	25.9°C	24°C		0.22 m
Messenia	25.7°C	25°C		0.09 m
Kardamyli	26°C	25°C		0.13 m

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Our report for Costa Navarino 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.