All data are in degrees Fahrenheit

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Water temperature in Whyalla

Detailed information about the current water temperature in Whyalla. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Whyalla now

73.8

°F

March 6, 15:37

Trend:

decreasing

Yesterday:

74.1°F

Tomorrow:

73.5°F

Sunrise:

07:12

Sunset:

19:50

Day Length:

12 h. 38 min.

Whyalla in March

Minimum:

71.5°F

Average:

73.7°F

Maximum:

76.3°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 73.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 76.6°F on 2019, while the historical minimum was 71.6°F on 2020.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Whyalla

Date Current Year

actual* / forecast**

last year 10 years average
Feb 20 74.9°F 73.3°F 74.5°F
Feb 21 75.1°F 72.7°F 74.4°F
Feb 22 75.0°F 73.5°F 74.5°F
Feb 23 74.9°F 73.8°F 74.5°F
Feb 24 74.8°F 73.8°F 74.7°F
Feb 25 73.9°F 73.5°F 74.5°F
Feb 26 73.7°F 74.5°F 74.5°F
Feb 27 74.0°F 74.6°F 74.3°F
Feb 28 73.9°F 75.8°F 74.6°F
Mar 1 74.4°F 75.5°F 74.5°F
Mar 2 74.5°F 75.4°F 74.5°F
Mar 3 73.9°F 74.7°F 74.3°F
Mar 4 74.0°F 74.0°F 74.2°F
Mar 5 74.1°F 75.0°F 74.2°F
Mar 6 73.8°F 74.5°F 73.9°F
Mar 7 73.5°F 74.1°F 73.6°F
Mar 8 73.5°F 74.2°F 73.6°F
Mar 9 73.4°F 73.8°F 73.5°F
Mar 10 73.6°F 75.4°F 73.7°F
Mar 11 73.8°F 75.1°F 73.9°F
Mar 12 73.9°F 74.9°F 74.0°F
Mar 13 74.0°F 75.2°F 74.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Whyalla by month

In Whyalla, the months January through March offer comfortable swimming conditions, which amounts to 78 swimming days.
The warmest water in Whyalla was recorded on January 25, 2019, reaching a 78.9°F. While the coldest temperature occurred on July 31, 2025, dipping to 53.5°F. The average readings by season are 73.5°F in Winter, 68.6°F in Spring, 56.4°F in Summer, and 63.3°F in Autumn.