Water temperature in Port Kennedy

This data the coastal Port Kennedy 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 Port Kennedy

Water temperature in Port Kennedy today is 18.1°C. Based on our historical data over a period of ten years, the warmest water in this day in the Indian Ocean near Port Kennedy was recorded in 2023 and was 18.7°C, and the coldest was recorded in 2016 at 15.6°C. Sea water temperature in Port Kennedy is expected to be constant 18.1°C in the next 10 days. October average water temperature in Port Kennedy is 18.3°C, the minimum temperature is 15.6°C, and the maximum is 20.8°C.

The swimming season in Port Kennedy lasts from November to May. During those months, Port Kennedy water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Port Kennedy in winter reaches 18.3°C, in spring 18.4°C, in summer the average temperature rises to 22.5°C, and in autumn it is 21.4°C.

Port Kennedy water temperature now

The ocean salinity in Port Kennedy is 35.35‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Port Kennedy 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 Port Kennedy. 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 Port Kennedy. 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 Port Kennedy

Port Kennedy weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
14.6°C	14.3°C	13.6°C	15.6°C

12-15 h	15-18 h	18-21 h	21-24 h
16.7°C	16.3°C	15.2°C	13.6°C

Port Kennedy water temperature by month

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

The nearest beaches and cities from Port Kennedy 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
Secret Harbour	18.2°C	16°C		2.01 m
Erskine	17.9°C	16°C		1.39 m
Safety Bay	18.3°C	16°C		2.01 m
Halls Head	17.9°C	16°C		1.39 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
North Fremantle	18.3°C	17°C		1.2 m

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Get widget or API for your website

Our report for Port Kennedy 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.