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 19.24°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.

66.6

°F

May 7, 17:30

Trend:

stable

Yesterday:

67.0°F

Tomorrow:

66.6°F

Sunrise:

06:57

Sunset:

17:35

Day Length:

10 h. 38 min.

Whyalla in May

Minimum:

71.5°F

Average:

73.7°F

Maximum:

75.8°F

Sea water temperature in Whyalla today

As of now, in Whyalla, the water temperature is 66.6°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 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably 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 66.7°F on 2018, while the historical minimum was 62.5°F on 2024.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.9°F, the minimum temperature may reach 65.4°F, and the maximum might stay at 66.6°F.

Daily water temperature in Whyalla

Date	Current Year actual* / forecast**	last year	10 years average
Apr 23	69.6°F	70.0°F	68.1°F
Apr 24	69.8°F	68.7°F	67.8°F
Apr 25	69.6°F	68.6°F	67.7°F
Apr 26	69.3°F	68.9°F	67.7°F
Apr 27	69.3°F	68.7°F	67.6°F
Apr 28	68.9°F	68.1°F	67.3°F
Apr 29	68.6°F	67.7°F	67.1°F
Apr 30	69.1°F	67.4°F	67.1°F
May 1	68.9°F	67.3°F	66.8°F
May 2	69.5°F	66.8°F	66.5°F
May 3	68.5°F	66.7°F	66.3°F
May 4	68.0°F	66.3°F	65.9°F
May 5	67.6°F	66.3°F	65.6°F
May 6	67.0°F	66.4°F	65.5°F
May 7	66.6°F	66.1°F	64.9°F
May 8	66.6°F	66.6°F	64.9°F
May 9	66.4°F	65.9°F	64.7°F
May 10	66.0°F	65.5°F	64.3°F
May 11	65.8°F	65.3°F	64.1°F
May 12	65.4°F	64.9°F	63.7°F
May 13	65.6°F	65.6°F	63.9°F
May 14	65.5°F	66.0°F	63.8°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.