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

59.9

°F

June 16, 03:18

Trend:

decreasing

Yesterday:

60.0°F

Tomorrow:

59.7°F

Sunrise:

07:21

Sunset:

17:20

Day Length:

9 h. 59 min.

Whyalla in June

Minimum:

70.9°F

Average:

73.6°F

Maximum:

75.5°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 59.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.7°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.2°F on 2018, while the historical minimum was 56.3°F on 2020.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 59.3°F, the minimum temperature may reach 59.1°F, and the maximum might stay at 59.7°F.

Daily water temperature in Whyalla

Date Current Year

actual* / forecast**

last year 10 years average
Jun 2 61.6°F 61.1°F 60.4°F
Jun 3 61.8°F 60.7°F 60.4°F
Jun 4 61.5°F 60.5°F 60.2°F
Jun 5 61.1°F 60.5°F 60.2°F
Jun 6 61.0°F 60.3°F 60.0°F
Jun 7 60.7°F 59.8°F 59.9°F
Jun 8 60.2°F 59.6°F 59.7°F
Jun 9 60.2°F 59.2°F 59.4°F
Jun 10 60.3°F 58.9°F 59.3°F
Jun 11 60.2°F 58.8°F 59.1°F
Jun 12 60.3°F 58.7°F 58.9°F
Jun 13 60.3°F 58.3°F 58.8°F
Jun 14 60.4°F 57.8°F 58.7°F
Jun 15 60.0°F 57.6°F 58.3°F
Jun 16 59.9°F 57.6°F 58.2°F
Jun 17 59.7°F 57.6°F 58.0°F
Jun 18 59.6°F 57.1°F 57.9°F
Jun 19 59.4°F 56.9°F 57.7°F
Jun 20 59.3°F 56.6°F 57.7°F
Jun 21 59.1°F 56.5°F 57.5°F
Jun 22 59.1°F 56.6°F 57.5°F
Jun 23 59.1°F 56.6°F 57.4°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, 56.5°F in Summer, and 63.3°F in Autumn.