Water temperature in Mandurah

This data the coastal Mandurah ocean 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 ocean temperature in Mandurah

Water temperature in Mandurah today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Indian Ocean near Mandurah was recorded in 2023 and was 18.6°C, and the coldest was recorded in 2016 at 15.4°C. Sea water temperature in Mandurah is expected to rise to 18°C in the next 10 days. October average water temperature in Mandurah is 18.2°C, the minimum temperature is 15.4°C, and the maximum is 20.5°C.

The swimming season in Mandurah lasts from November to May. During those months, Mandurah water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Mandurah in winter reaches 18.2°C, in spring 18.3°C, in summer the average temperature rises to 22.4°C, and in autumn it is 21.4°C.

Mandurah water temperature now

The ocean salinity in Mandurah is 35.40‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Mandurah 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 Mandurah. 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 Mandurah. Data in table shown for 1 October 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Mandurah

Mandurah weather forecast

Current temperature and weather

Data in a table show Mandurah temperature today (1 October 2025). For more information and forecast for a few days, go to the weather forecast Mandurah.

0-3 h	3-6 h	6-9 h	9-12 h
13.6°C	14.1°C	12.6°C	15.3°C

12-15 h	15-18 h	18-21 h	21-24 h
16.6°C	16°C	14.8°C	13°C

Mandurah water temperature by month

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

The nearest beaches and cities from Mandurah 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
Erskine	17.9°C	16°C		1.39 m
Halls Head	17.9°C	16°C		1.39 m
Port Kennedy	18.1°C	16°C		1.71 m
Secret Harbour	18.2°C	16°C		2.01 m
Safety Bay	18.3°C	16°C		2.01 m
Rockingham	18.3°C	16°C		1.68 m
Garden Island	18.4°C	17°C		1.68 m
Coogee	18.4°C	17°C		1.7 m
Perth	18.4°C	17°C		1.7 m
Fremantle	18.4°C	17°C		1.7 m

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Our report for Mandurah 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.