Water temperature in Mari Ermi

This data the coastal Mari Ermi 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 Mari Ermi

Water temperature in Mari Ermi today is 25.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the Mediterranean Sea near Mari Ermi was recorded in 2022 and was 26.4°C, and the coldest was recorded in 2007 at 23.2°C. Sea water temperature in Mari Ermi is expected to drop to 23.9°C in the next 10 days. September average water temperature in Mari Ermi is 23.9°C, the minimum temperature is 19.8°C, and the maximum is 26.9°C.

The swimming season in Mari Ermi lasts from June to October. During those months, Mari Ermi water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Mari Ermi in winter reaches 14.6°C, in spring 15.9°C, in summer the average temperature rises to 23.7°C, and in autumn it is 21.5°C.

Mari Ermi water temperature now

The sea salinity in Mari Ermi is 38.07‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Mari Ermi 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 Mari Ermi. 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 Mari Ermi. 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 Mari Ermi

Mari Ermi weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
20.9°C	19.6°C	19.2°C	26.6°C

12-15 h	15-18 h	18-21 h	21-24 h
30.4°C	29.2°C	26.3°C	22°C

Mari Ermi water temperature by month

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

The nearest beaches and cities from Mari Ermi 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
Maimoni Beach	25.8°C	29°C		0.56 m
Torre Grande	25.8°C	29°C		0.47 m
Sa Rocca Tunda	25.5°C	29°C		0.57 m
S'Archittu	25.5°C	29°C		0.57 m
Torre del Pozzo	25.5°C	29°C		0.57 m
Pistis	25.8°C	29°C		0.57 m
Torre dei Corsari	25.8°C	29°C		0.57 m
Porto Palma	25.8°C	29°C		0.62 m
Funtanazza	25.8°C	29°C		0.62 m
Marina di Arbus	25.8°C	29°C		0.62 m

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Our report for Mari Ermi 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.