This data the coastal Port Augusta 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.
Water temperature in Port Augusta today is 14.4°C. Based on our historical data over a period of ten years, the warmest water in this day in the Spencer Gulf near Port Augusta was recorded in 2024 and was 16.6°C, and the coldest was recorded in 2010 at 13.8°C. Sea water temperature in Port Augusta is expected to rise to 15.8°C in the next 10 days. September average water temperature in Port Augusta is 15.6°C, the minimum temperature is 13.5°C, and the maximum is 19.7°C.
The swimming season in Port Augusta lasts from November to April. During those months, Port Augusta water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Port Augusta in winter reaches 13.7°C, in spring 18°C, in summer the average temperature rises to 23.1°C, and in autumn it is 20°C.
5 September 2025 |
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today temp |
14.4°C |
4 September 2025 |
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yesterday temp |
14.2°C |
The ocean salinity in Port Augusta is 45.92‰, and the average salinity of the World Ocean is 35‰.
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 Augusta. 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 Augusta. 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)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
1' 2" | 1' 3" | 1' 1" | 1' 1" |
0.36 m | 0.39 m | 0.32 m | 0.34 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 7" | 1' 9" | 1' 4" | 1' 5" |
0.48 m | 0.54 m | 0.41 m | 0.42 m |
Data in a table show Port Augusta temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Port Augusta.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
10.6°C | 9.7°C | 11°C | 16.2°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
19.9°C | 23.3°C | 18.3°C | 19.9°C |
You may also be interested in other sections of our site for Port Augusta: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Port Augusta. 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 Augusta 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
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 23.5°C | 20.8°C | 26.9°C | warm |
Ocean water temperature in Port Augusta in January | ||||
February | 23.7°C | 21.5°C | 26.6°C | warm |
Ocean water temperature in Port Augusta in February | ||||
March | 22.7°C | 20°C | 26.7°C | warm |
Ocean water temperature in Port Augusta in March | ||||
April | 20.1°C | 17.3°C | 23°C | warm |
Ocean water temperature in Port Augusta in April | ||||
May | 17.2°C | 14.8°C | 20°C | cold |
Ocean water temperature in Port Augusta in May | ||||
June | 14.7°C | 12.4°C | 17°C | cold |
Ocean water temperature in Port Augusta in June | ||||
July | 13°C | 11.8°C | 14.7°C | cold |
Ocean water temperature in Port Augusta in July | ||||
August | 13.4°C | 10.6°C | 16.7°C | cold |
Ocean water temperature in Port Augusta in August | ||||
September | 15.6°C | 13.5°C | 19.7°C | cold |
Ocean water temperature in Port Augusta in September | ||||
October | 18°C | 15°C | 21.1°C | cold |
Ocean water temperature in Port Augusta in October | ||||
November | 20.3°C | 17.3°C | 25°C | warm |
Ocean water temperature in Port Augusta in November | ||||
December | 22.1°C | 20°C | 26.4°C | warm |
Ocean water temperature in Port Augusta in December |