What is the current water temperature in Sydney?

Q: What is the current water temperature in Sydney?

As of now, in Sydney, the water temperature is 4.43°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.

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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.

40.0

°F

December 10, 20:26

Trend:

decreasing

Yesterday:

40.7°F

Tomorrow:

39.4°F

Sunrise:

07:32

Sunset:

16:15

Day Length:

8 h. 43 min.

Sydney in December

Minimum:

32.4°F

Average:

34.8°F

Maximum:

36.1°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 40.0°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 0.7°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 42.4°F on 2017, while the historical minimum was 37.8°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 38.8°F, the minimum temperature may reach 38.3°F, and the maximum might stay at 39.4°F.

Daily water temperature in Sydney

Date	Current Year actual* / forecast**	last year	10 years average
Nov 26	44.2°F	44.6°F	44.9°F
Nov 27	44.1°F	44.8°F	44.9°F
Nov 28	43.8°F	44.6°F	44.7°F
Nov 29	43.7°F	44.9°F	44.4°F
Nov 30	44.0°F	44.7°F	44.2°F
Dec 1	43.8°F	45.0°F	44.0°F
Dec 2	43.6°F	44.9°F	43.6°F
Dec 3	43.7°F	45.0°F	43.4°F
Dec 4	43.3°F	44.5°F	43.1°F
Dec 5	42.7°F	44.2°F	42.7°F
Dec 6	42.1°F	43.7°F	42.2°F
Dec 7	41.4°F	42.9°F	41.9°F
Dec 8	40.9°F	42.1°F	41.2°F
Dec 9	40.7°F	41.8°F	40.9°F
Dec 10	40.0°F	41.5°F	40.7°F
Dec 11	39.4°F	40.7°F	40.1°F
Dec 12	38.8°F	39.8°F	39.5°F
Dec 13	38.9°F	39.7°F	39.5°F
Dec 14	38.9°F	40.0°F	39.6°F
Dec 15	38.9°F	40.1°F	39.5°F
Dec 16	38.7°F	39.9°F	39.4°F
Dec 17	38.3°F	39.5°F	39.0°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 14, 2015, dipping to 32.0°F. The average readings by season are 35.4°F in Winter, 35.6°F in Spring, 59.6°F in Summer, and 55.9°F in Autumn.