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

46.0

°F

June 6, 10:32

Trend:

increasing

Yesterday:

44.9°F

Tomorrow:

46.4°F

Sunrise:

05:11

Sunset:

20:48

Day Length:

15 h. 37 min.

Sydney in June

Minimum:

34.0°F

Average:

35.6°F

Maximum:

37.1°F

Sea water temperature in Sydney today

As of now, in Sydney, the water temperature is 46.0°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 1.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise 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 47.9°F on 2020, while the historical minimum was 40.3°F on 2015.

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 48.5°F, with minimum temperature starting at 46.4°F, while the maximum might reach 50.6°F.

Daily water temperature in Sydney

Date Current Year

actual* / forecast**

last year 10 years average
May 23 42.4°F 44.9°F 42.2°F
May 24 42.5°F 44.9°F 42.5°F
May 25 42.3°F 44.9°F 42.6°F
May 26 42.5°F 47.2°F 43.5°F
May 27 44.2°F 47.0°F 43.5°F
May 28 46.9°F 47.0°F 44.2°F
May 29 46.4°F 47.3°F 44.3°F
May 30 49.1°F 48.3°F 45.1°F
May 31 49.2°F 47.5°F 45.2°F
Jun 1 48.9°F 46.5°F 44.7°F
Jun 2 48.3°F 47.5°F 44.9°F
Jun 3 46.2°F 46.5°F 44.6°F
Jun 4 44.1°F 46.1°F 44.2°F
Jun 5 44.9°F 45.8°F 44.7°F
Jun 6 46.0°F 45.5°F 44.7°F
Jun 7 46.4°F 46.1°F 45.1°F
Jun 8 46.9°F 47.3°F 45.6°F
Jun 9 47.8°F 47.6°F 46.5°F
Jun 10 48.3°F 48.7°F 47.0°F
Jun 11 49.0°F 51.4°F 47.6°F
Jun 12 50.4°F 51.0°F 49.0°F
Jun 13 50.6°F 50.6°F 49.2°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, 59.5°F in Summer, and 55.8°F in Autumn.