All data are in degrees Fahrenheit

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Water temperature in Sydney

Detailed information about the current water temperature in Sydney. 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 Sydney now

65.3

°F

August 4, 13:35

Trend:

stable

Yesterday:

66.1°F

Tomorrow:

65.7°F

Sunrise:

05:46

Sunset:

20:27

Day Length:

14 h. 41 min.

Sydney in August

Minimum:

33.6°F

Average:

35.2°F

Maximum:

36.6°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 65.3°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 1.9°F lower 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 rise a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 70.2°F on 2024, while the historical minimum was 63.7°F on 2021.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 66.4°F, with minimum temperature starting at 65.7°F, while the maximum might reach 66.9°F.

Daily water temperature in Sydney

Date Current Year

actual* / forecast**

last year 10 years average
Jul 21 61.3°F 66.0°F 63.6°F
Jul 22 61.0°F 65.9°F 63.8°F
Jul 23 61.2°F 66.6°F 64.1°F
Jul 24 61.5°F 63.8°F 64.2°F
Jul 25 60.7°F 64.6°F 64.7°F
Jul 26 60.8°F 65.6°F 65.4°F
Jul 27 61.6°F 66.3°F 65.8°F
Jul 28 61.5°F 65.8°F 65.6°F
Jul 29 63.2°F 66.5°F 65.8°F
Jul 30 63.4°F 67.2°F 66.3°F
Jul 31 62.9°F 67.3°F 66.7°F
Aug 1 63.7°F 67.5°F 66.9°F
Aug 2 63.6°F 67.4°F 66.7°F
Aug 3 66.1°F 67.0°F 67.4°F
Aug 4 65.3°F 66.5°F 67.2°F
Aug 5 65.7°F 66.3°F 67.7°F
Aug 6 66.2°F 66.2°F 68.2°F
Aug 7 66.5°F 66.9°F 68.4°F
Aug 8 66.8°F 67.6°F 68.8°F
Aug 9 66.9°F 67.6°F 68.8°F
Aug 10 66.4°F 67.2°F 68.4°F
Aug 11 66.3°F 67.1°F 68.3°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 Sydney by month

In an average year, Sydney offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Sydney was recorded on July 31, 2023, reaching a 72.1°F. While the coldest temperature occurred on January 21, 2019, dipping to 32.0°F. The average readings by season are 35.4°F in Winter, 35.7°F in Spring, 59.8°F in Summer, and 55.9°F in Autumn.