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

61.7

°F

September 15, 17:47

Trend:

stable

Yesterday:

61.2°F

Tomorrow:

61.6°F

Sunrise:

06:20

Sunset:

18:11

Day Length:

11 h. 51 min.

Whyalla in September

Minimum:

70.5°F

Average:

73.6°F

Maximum:

75.2°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 61.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 60.9°F on 2023, while the historical minimum was 57.3°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 61.9°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
Sep 1 61.0°F 55.7°F 57.5°F
Sep 2 60.9°F 56.2°F 57.7°F
Sep 3 60.8°F 56.3°F 57.8°F
Sep 4 60.9°F 56.2°F 57.8°F
Sep 5 60.7°F 56.6°F 57.9°F
Sep 6 60.6°F 57.2°F 58.1°F
Sep 7 60.4°F 58.1°F 58.2°F
Sep 8 60.4°F 58.3°F 58.2°F
Sep 9 60.5°F 58.6°F 58.3°F
Sep 10 60.2°F 59.0°F 58.5°F
Sep 11 60.0°F 59.8°F 58.9°F
Sep 12 60.1°F 59.1°F 58.9°F
Sep 13 60.7°F 58.8°F 59.0°F
Sep 14 61.2°F 58.8°F 59.2°F
Sep 15 61.7°F 59.4°F 59.1°F
Sep 16 61.6°F 59.5°F 59.0°F
Sep 17 61.7°F 59.4°F 59.2°F
Sep 18 61.8°F 59.2°F 59.2°F
Sep 19 61.8°F 59.7°F 59.3°F
Sep 20 62.0°F 59.9°F 59.5°F
Sep 21 62.2°F 60.6°F 59.6°F
Sep 22 62.3°F 60.0°F 59.7°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, 68.7°F in Spring, 56.6°F in Summer, and 63.4°F in Autumn.