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

72.8

°F

March 21, 01:54

Trend:

decreasing

Yesterday:

72.8°F

Tomorrow:

72.4°F

Sunrise:

07:23

Sunset:

19:31

Day Length:

12 h. 8 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 72.8°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.0°F lower than 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 75.2°F on 2022, while the historical minimum was 71.7°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 71.7°F, the minimum temperature may reach 70.9°F, and the maximum might stay at 72.4°F.

Daily water temperature in Whyalla

Date Current Year

actual* / forecast**

last year 10 years average
Mar 7 73.1°F 74.1°F 73.5°F
Mar 8 73.2°F 74.2°F 73.5°F
Mar 9 72.8°F 73.8°F 73.5°F
Mar 10 72.6°F 75.4°F 73.6°F
Mar 11 73.4°F 75.1°F 73.9°F
Mar 12 73.3°F 74.9°F 74.0°F
Mar 13 72.5°F 75.2°F 74.0°F
Mar 14 71.7°F 77.4°F 73.8°F
Mar 15 71.7°F 77.4°F 73.6°F
Mar 16 71.4°F 78.2°F 73.6°F
Mar 17 71.2°F 76.7°F 73.5°F
Mar 18 71.4°F 75.4°F 73.5°F
Mar 19 72.3°F 74.5°F 73.7°F
Mar 20 72.8°F 74.6°F 73.8°F
Mar 21 72.8°F 73.9°F 73.8°F
Mar 22 72.4°F 74.0°F 73.4°F
Mar 23 72.2°F 73.5°F 73.2°F
Mar 24 72.1°F 73.5°F 73.1°F
Mar 25 71.8°F 73.7°F 72.8°F
Mar 26 71.5°F 73.5°F 72.5°F
Mar 27 71.2°F 73.6°F 72.2°F
Mar 28 70.9°F 73.6°F 71.9°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 February 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.