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 22.95°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

73.3

°F

January 23, 10:00

Trend:

stable

Yesterday:

72.9°F

Tomorrow:

73.3°F

Sunrise:

06:34

Sunset:

20:29

Day Length:

13 h. 55 min.

Whyalla in January

Minimum:

70.1°F

Average:

73.2°F

Maximum:

76.2°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 73.3°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 2.0°F lower 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 77.6°F on 2025, while the historical minimum was 72.0°F on 2023.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.5°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
Jan 9	75.1°F	74.0°F	73.6°F
Jan 10	75.5°F	74.8°F	74.0°F
Jan 11	74.6°F	75.2°F	74.2°F
Jan 12	74.8°F	75.7°F	74.6°F
Jan 13	73.6°F	76.2°F	74.7°F
Jan 14	73.3°F	76.3°F	74.7°F
Jan 15	73.4°F	75.8°F	74.6°F
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	74.9°F
Jan 23	73.3°F	77.6°F	75.3°F
Jan 24	73.3°F	76.5°F	75.3°F
Jan 25	73.2°F	75.3°F	75.2°F
Jan 26	73.5°F	75.4°F	75.5°F
Jan 27	73.5°F	76.0°F	75.5°F
Jan 28	73.6°F	76.0°F	75.6°F
Jan 29	73.7°F	75.7°F	75.7°F
Jan 30	73.6°F	75.5°F	75.6°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.