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

58.5

°F

October 4, 14:31

Trend:

decreasing

Yesterday:

59.1°F

Tomorrow:

58.1°F

Sunrise:

07:03

Sunset:

18:36

Day Length:

11 h. 33 min.

Sydney in October

Minimum:

33.6°F

Average:

35.1°F

Maximum:

36.5°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 58.5°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 0.8°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 61.6°F on 2021, while the historical minimum was 55.2°F on 2019.

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 shows a gradual cooling trend. The average temperature is expected to be 57.4°F, the minimum temperature may reach 56.9°F, and the maximum might stay at 58.1°F.

Daily water temperature in Sydney

Date Current Year

actual* / forecast**

last year 10 years average
Sep 20 59.8°F 63.9°F 62.6°F
Sep 21 59.6°F 64.2°F 62.4°F
Sep 22 59.2°F 63.8°F 62.1°F
Sep 23 57.9°F 63.5°F 61.8°F
Sep 24 56.3°F 63.2°F 61.1°F
Sep 25 55.9°F 62.4°F 60.4°F
Sep 26 56.4°F 62.0°F 60.6°F
Sep 27 57.5°F 60.7°F 60.4°F
Sep 28 57.4°F 62.4°F 60.4°F
Sep 29 58.0°F 61.8°F 60.1°F
Sep 30 57.1°F 61.4°F 59.9°F
Oct 1 57.1°F 61.9°F 59.7°F
Oct 2 58.7°F 61.4°F 59.4°F
Oct 3 59.1°F 60.7°F 59.5°F
Oct 4 58.5°F 59.9°F 59.3°F
Oct 5 58.1°F 60.1°F 58.9°F
Oct 6 57.8°F 59.5°F 58.6°F
Oct 7 57.6°F 60.1°F 58.4°F
Oct 8 57.3°F 59.7°F 58.1°F
Oct 9 56.9°F 59.9°F 57.7°F
Oct 10 57.1°F 59.4°F 57.9°F
Oct 11 57.0°F 59.0°F 57.8°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 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, 59.7°F in Summer, and 55.9°F in Autumn.