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 4.88°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.

40.8

°F

May 11, 19:04

Trend:

increasing

Yesterday:

40.7°F

Tomorrow:

41.3°F

Sunrise:

05:33

Sunset:

20:21

Day Length:

14 h. 48 min.

Sydney in May

Minimum:

34.2°F

Average:

35.9°F

Maximum:

37.5°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 40.8°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 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 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 maximum temperature for this date. The maximum temperature recorded for this date was 42.3°F on 2019, while the historical minimum was 36.6°F on 2017.

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 suggests a gradual increase. The average temperature is expected to rise up to 42.4°F, with minimum temperature starting at 41.3°F, while the maximum might reach 43.1°F.

Daily water temperature in Sydney

Date	Current Year actual* / forecast**	last year	10 years average
Apr 27	38.4°F	36.0°F	36.2°F
Apr 28	37.0°F	35.7°F	36.0°F
Apr 29	36.1°F	36.0°F	36.3°F
Apr 30	36.9°F	35.9°F	36.6°F
May 1	36.6°F	38.3°F	37.1°F
May 2	36.6°F	37.5°F	37.3°F
May 3	36.9°F	37.3°F	37.3°F
May 4	37.5°F	38.5°F	37.6°F
May 5	36.8°F	38.4°F	37.8°F
May 6	38.7°F	39.3°F	38.8°F
May 7	41.1°F	38.8°F	38.7°F
May 8	40.8°F	38.5°F	38.7°F
May 9	40.1°F	39.8°F	39.3°F
May 10	40.7°F	40.1°F	39.5°F
May 11	40.8°F	39.6°F	39.1°F
May 12	41.3°F	40.1°F	39.6°F
May 13	41.6°F	41.2°F	39.9°F
May 14	41.8°F	41.7°F	40.1°F
May 15	42.9°F	43.8°F	41.2°F
May 16	42.8°F	44.0°F	41.1°F
May 17	43.0°F	43.7°F	41.3°F
May 18	43.1°F	42.7°F	41.5°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.