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

78.0

°F

January 30, 12:10

Trend:

decreasing

Yesterday:

78.1°F

Tomorrow:

77.7°F

Sunrise:

06:40

Sunset:

20:25

Day Length:

13 h. 45 min.

Whyalla in February

Minimum:

70.6°F

Average:

73.4°F

Maximum:

75.5°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 78.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.4°F higher 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 77.7°F on 2022, while the historical minimum was 73.8°F on 2023.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 77.1°F, the minimum temperature may reach 76.7°F, and the maximum might stay at 77.7°F.

Daily water temperature in Whyalla

Date Current Year

actual* / forecast**

last year 10 years average
Jan 16 72.8°F 76.1°F 74.6°F
Jan 17 73.1°F 75.3°F 74.6°F
Jan 18 72.8°F 75.2°F 74.5°F
Jan 19 73.9°F 76.0°F 74.5°F
Jan 20 74.1°F 76.2°F 74.8°F
Jan 21 73.6°F 77.6°F 74.6°F
Jan 22 72.9°F 77.3°F 74.7°F
Jan 23 72.1°F 77.6°F 75.0°F
Jan 24 73.6°F 76.5°F 75.1°F
Jan 25 74.5°F 75.3°F 75.2°F
Jan 26 75.6°F 75.4°F 75.5°F
Jan 27 76.7°F 76.0°F 75.7°F
Jan 28 78.0°F 76.0°F 75.8°F
Jan 29 78.1°F 75.7°F 75.7°F
Jan 30 78.0°F 75.5°F 75.6°F
Jan 31 77.7°F 74.4°F 75.3°F
Feb 1 77.5°F 73.8°F 75.1°F
Feb 2 77.1°F 74.2°F 74.7°F
Feb 3 77.0°F 75.2°F 74.6°F
Feb 4 77.0°F 76.3°F 74.6°F
Feb 5 76.8°F 76.5°F 74.4°F
Feb 6 76.7°F 76.4°F 74.3°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.