Water temperature in City Beach

This data the coastal City Beach 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 City Beach

Water temperature in City Beach today is 18.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Indian Ocean near City Beach was recorded in 2014 and was 19°C, and the coldest was recorded in 2016 at 16.7°C. Sea water temperature in City Beach is expected to drop to 18.2°C in the next 10 days. September average water temperature in City Beach is 17.7°C, the minimum temperature is 16°C, and the maximum is 19.4°C.

The swimming season in City Beach lasts from November to June. During those months, City Beach water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in City Beach in winter reaches 18.7°C, in spring 18.8°C, in summer the average temperature rises to 22.5°C, and in autumn it is 21.7°C.

City Beach water temperature now

The ocean salinity in City Beach is 35.22‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in City Beach 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 City Beach. 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 City Beach. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in City Beach

City Beach weather forecast

Current temperature and weather

Data in a table show City Beach temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast City Beach.

0-3 h	3-6 h	6-9 h	9-12 h
16.1°C	15.8°C	14.8°C	16.5°C

12-15 h	15-18 h	18-21 h	21-24 h
18.3°C	17.8°C	16°C	14.9°C

City Beach water temperature by month

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

The nearest beaches and cities from City Beach 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
Cottesloe	18.4°C	17°C		0.96 m
Attadale	18.1°C	18°C		0.96 m
Perth	18.6°C	17°C		1.3 m
Fremantle	18.6°C	17°C		1.3 m
Garden Island	19°C	17°C		1.32 m
Rockingham	18.9°C	16°C		1.32 m
Two Rocks	19.1°C	18°C		1.63 m
Safety Bay	19.2°C	16°C		1.5 m
Secret Harbour	19.2°C	16°C		1.5 m
Port Kennedy	19°C	16°C		1.34 m

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Our report for City Beach 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.