Water temperature in Mamaia

This data the coastal Mamaia 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 Mamaia

Water temperature in Mamaia today is 21.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Mamaia was recorded in 2020 and was 23.6°C, and the coldest was recorded in 2013 at 21.1°C. Sea water temperature in Mamaia is expected to drop to 20.7°C in the next 10 days. September average water temperature in Mamaia is 22.4°C, the minimum temperature is 17.8°C, and the maximum is 25.7°C.

The swimming season in Mamaia lasts from June to September. During those months, Mamaia water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Mamaia in winter reaches 7°C, in spring 10.8°C, in summer the average temperature rises to 23.8°C, and in autumn it is 17.8°C.

Mamaia water temperature now

The sea salinity in Mamaia is 15.38‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Mamaia 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 Mamaia. 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 Mamaia. Data in table shown for 17 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Mamaia

Mamaia weather forecast

Current temperature and weather

Data in a table show Mamaia temperature today (17 September 2025). For more information and forecast for a few days, go to the weather forecast Mamaia.

0-3 h	3-6 h	6-9 h	9-12 h
19.8°C	19.3°C	19.2°C	22.8°C

12-15 h	15-18 h	18-21 h	21-24 h
24.2°C	20.9°C	16.7°C	16.3°C

Mamaia water temperature by month

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

The nearest beaches and cities from Mamaia 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
Navodari	21.7°C	18°C		0.34 m
Corbu	22.5°C	18°C		0.34 m
Eforie Nord	22.9°C	21°C		0.37 m
Eforie Sud	22.9°C	21°C		0.46 m
Vadu Beach	22.7°C	18°C		0.38 m
Tuzla	22.9°C	22°C		0.45 m
Costinesti	22.8°C	22°C		0.45 m
Olimp	22.9°C	22°C		0.45 m
Mangalia	23.1°C	22°C		0.45 m
Venus	23.1°C	22°C		0.45 m

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Our report for Mamaia 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.