Water temperature in Moratuwa

This data the coastal Moratuwa 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 Moratuwa

Water temperature in Moratuwa today is 28.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Moratuwa was recorded in 2024 and was 29°C, and the coldest was recorded in 2010 at 26.8°C. Sea water temperature in Moratuwa is expected to drop to 28°C in the next 10 days. September average water temperature in Moratuwa is 28.1°C, the minimum temperature is 26.8°C, and the maximum is 29.4°C.

The swimming season in Moratuwa lasts from January to December, twelve months per year! During those months, Moratuwa water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Moratuwa in winter reaches 28.3°C, in spring 29.6°C, in summer the average temperature rises to 28°C, and in autumn it is 28.5°C.

Moratuwa water temperature now

The sea salinity in Moratuwa is 32.79‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Moratuwa 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 Moratuwa. 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 Moratuwa. 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 Moratuwa

Moratuwa weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
25.5°C	25.3°C	25.4°C	27.4°C

12-15 h	15-18 h	18-21 h	21-24 h
27.9°C	27.6°C	26.1°C	25.8°C

Moratuwa water temperature by month

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

The nearest beaches and cities from Moratuwa 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
Panadura	28.8°C	28°C		1.68 m
Dehiwala-Mount Lavinia	28.5°C	27°C		1.57 m
Wattala	28.7°C	27°C		1.53 m
Peliyagoda	28.8°C	27°C		1.63 m
Balapitiya	28.2°C	28°C		1.71 m
Bentota	28.2°C	28°C		1.89 m
Koggala	28.5°C	28°C		1.93 m
Mirissa	28.4°C	29°C		1.71 m
Matara	28.2°C	29°C		1.84 m
Galle	28.6°C	28°C		1.87 m

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Our report for Moratuwa 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.