What is the current water temperature in Whyalla?

Q: What is the current water temperature in Whyalla?

As of now, in Whyalla, the water temperature is 14.64°C. 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.

Australia > Whyalla

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.

58.4

°F

August 18, 14:53

Trend:

stable

Yesterday:

58.3°F

Tomorrow:

58.3°F

Sunrise:

06:55

Sunset:

17:53

Day Length:

10 h. 58 min.

Whyalla in August

Minimum:

69.6°F

Average:

73.3°F

Maximum:

75.6°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 58.4°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 2.5°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 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 57.3°F on 2024, while the historical minimum was 54.6°F on 2018.

latest data

last year

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 58.5°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
Aug 4	56.0°F	54.2°F	55.2°F
Aug 5	56.2°F	54.2°F	55.2°F
Aug 6	56.3°F	54.2°F	55.1°F
Aug 7	56.2°F	54.2°F	55.0°F
Aug 8	56.1°F	54.3°F	55.1°F
Aug 9	56.2°F	54.5°F	55.3°F
Aug 10	56.6°F	54.7°F	55.4°F
Aug 11	57.4°F	54.7°F	55.5°F
Aug 12	56.9°F	55.2°F	55.3°F
Aug 13	56.8°F	56.0°F	55.4°F
Aug 14	57.0°F	55.9°F	55.5°F
Aug 15	57.4°F	56.0°F	55.7°F
Aug 16	57.3°F	56.2°F	55.9°F
Aug 17	58.3°F	55.9°F	55.8°F
Aug 18	58.4°F	55.5°F	55.9°F
Aug 19	58.3°F	55.5°F	55.8°F
Aug 20	58.3°F	55.9°F	55.8°F
Aug 21	58.3°F	56.3°F	55.8°F
Aug 22	58.5°F	56.2°F	56.0°F
Aug 23	58.6°F	55.9°F	56.1°F
Aug 24	58.7°F	56.3°F	56.2°F
Aug 25	58.8°F	56.3°F	56.3°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, 68.7°F in Spring, 56.6°F in Summer, and 63.3°F in Autumn.