Water temperature in Rockingham

This data the coastal Rockingham 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 Rockingham

Water temperature in Rockingham today is 17.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the Indian Ocean near Rockingham was recorded in 2014 and was 18.6°C, and the coldest was recorded in 2012 at 15.9°C. Sea water temperature in Rockingham is expected to rise to 17.5°C in the next 10 days. September average water temperature in Rockingham is 17.5°C, the minimum temperature is 15.6°C, and the maximum is 19.1°C.

The swimming season in Rockingham lasts from November to May. During those months, Rockingham water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Rockingham in winter reaches 18.5°C, in spring 18.6°C, in summer the average temperature rises to 22.6°C, and in autumn it is 21.5°C.

Rockingham water temperature now

The ocean salinity in Rockingham is 35.24‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Rockingham 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 Rockingham. 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 Rockingham. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Rockingham

Rockingham weather forecast

Current temperature and weather

Data in a table show Rockingham temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Rockingham.

0-3 h	3-6 h	6-9 h	9-12 h
15.1°C	15.1°C	14.8°C	15.9°C

12-15 h	15-18 h	18-21 h	21-24 h
14.3°C	14.6°C	13.6°C	13°C

Rockingham water temperature by month

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

The nearest beaches and cities from Rockingham 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
Coogee	17.2°C	14°C		1.93 m
Perth	17.2°C	14°C		1.93 m
Fremantle	17.2°C	14°C		1.93 m
Secret Harbour	17°C	14°C		2.34 m
Leighton Beach	17.4°C	14°C		1.85 m
Cottesloe	17°C	14°C		1.58 m
Mosman Park	17°C	14°C		1.58 m
Peppermint Grove	17°C	14°C		1.58 m
Attadale	16.8°C	14°C		1.58 m
Dalkeith	16.8°C	14°C		1.58 m

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Our report for Rockingham 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.