Water temperature in Whyalla

This data the coastal Whyalla 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 Whyalla

Water temperature in Whyalla today is 15°C. Based on our historical data over a period of ten years, the warmest water in this day in the Spencer Gulf near Whyalla was recorded in 2023 and was 18°C, and the coldest was recorded in 2010 at 14.7°C. Sea water temperature in Whyalla is expected to rise to 16.7°C in the next 10 days. September average water temperature in Whyalla is 15.1°C, the minimum temperature is 13.2°C, and the maximum is 18.3°C.

The swimming season in Whyalla lasts from November to April. During those months, Whyalla water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Whyalla in winter reaches 13.6°C, in spring 17.4°C, in summer the average temperature rises to 23°C, and in autumn it is 20.1°C.

Whyalla water temperature now

The ocean salinity in Whyalla is 43.17‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Whyalla 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 Whyalla. 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 Whyalla. Data in table shown for 25 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Whyalla

Whyalla weather forecast

Current temperature and weather

Data in a table show Whyalla temperature today (25 September 2025). For more information and forecast for a few days, go to the weather forecast Whyalla.

0-3 h	3-6 h	6-9 h	9-12 h
12.6°C	11.6°C	11.2°C	16.7°C

12-15 h	15-18 h	18-21 h	21-24 h
22.5°C	24.5°C	17.1°C	15.2°C

Whyalla water temperature by month

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

The nearest beaches and cities from Whyalla 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
Port Pirie	16°C	23°C		0.28 m
Port Germein	16.2°C	23°C		0.25 m
Cowell	15°C	21°C		0.7 m
Wallaroo	15.1°C	21°C		0.57 m
Moonta	15.2°C	16°C		0.75 m
Port Hughes	15.1°C	16°C		0.92 m
Arno Bay	14.3°C	23°C		0.7 m
Port Wakefield	15.8°C	21°C		0.18 m
Ardrossan	14.9°C	16°C		0.19 m
Port Neill	14.5°C	23°C		0.54 m

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Our report for Whyalla 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.