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 6.32°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.

43.4

°F

June 2, 03:37

Trend:

stable

Yesterday:

43.0°F

Tomorrow:

43.1°F

Sunrise:

05:13

Sunset:

20:45

Day Length:

15 h. 32 min.

Sydney in June

Minimum:

34.0°F

Average:

35.7°F

Maximum:

37.1°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 43.4°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 lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature slightly varies from the average of the past two weeks. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 48.3°F on 2025, while the historical minimum was 42.5°F on 2017.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 43.8°F, with minimum temperature starting at 42.7°F, while the maximum might reach 45.3°F.

Daily water temperature in Sydney

Date	Current Year actual* / forecast**	last year	10 years average
May 19	43.0°F	42.4°F	41.7°F
May 20	43.3°F	41.8°F	41.9°F
May 21	45.9°F	41.4°F	42.3°F
May 22	44.4°F	42.3°F	42.5°F
May 23	44.7°F	42.4°F	42.5°F
May 24	43.8°F	42.5°F	42.8°F
May 25	43.3°F	42.3°F	42.9°F
May 26	43.6°F	42.5°F	43.7°F
May 27	43.6°F	44.2°F	43.7°F
May 28	42.6°F	46.9°F	44.0°F
May 29	43.6°F	46.4°F	44.1°F
May 30	42.9°F	49.1°F	44.9°F
May 31	40.7°F	49.2°F	44.8°F
Jun 1	43.0°F	48.9°F	44.7°F
Jun 2	43.4°F	48.3°F	45.1°F
Jun 3	43.1°F	46.2°F	44.8°F
Jun 4	42.7°F	44.1°F	44.4°F
Jun 5	43.3°F	44.9°F	45.0°F
Jun 6	43.6°F	46.0°F	45.3°F
Jun 7	44.1°F	48.1°F	45.8°F
Jun 8	44.5°F	48.5°F	46.2°F
Jun 9	45.3°F	48.2°F	47.0°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 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.