What is the current water temperature in Perth?

As of now, in Perth, the water temperature is 24.56°C. It's safe to say that the water is comfortably warm for various water-related activities.

Australia > Perth

Water temperature in Perth

Detailed information about the current water temperature in Perth. 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.

76.2

°F

February 5, 16:28

Trend:

stable

Yesterday:

76.4°F

Tomorrow:

76.4°F

Sunrise:

05:45

Sunset:

19:16

Day Length:

13 h. 31 min.

Perth in February

Minimum:

70.8°F

Average:

73.6°F

Maximum:

75.1°F

Sea water temperature in Perth today

As of now, in Perth, the water temperature is 76.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 77.6°F on 2025, while the historical minimum was 72.6°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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Perth

Date	Current Year actual* / forecast**	last year	10 years average
Jan 22	76.8°F	75.2°F	74.8°F
Jan 23	76.9°F	75.4°F	74.7°F
Jan 24	76.8°F	75.1°F	74.7°F
Jan 25	76.2°F	74.7°F	74.6°F
Jan 26	76.0°F	75.3°F	74.8°F
Jan 27	75.6°F	75.5°F	74.7°F
Jan 28	75.1°F	75.5°F	74.6°F
Jan 29	73.8°F	75.6°F	74.4°F
Jan 30	74.7°F	75.9°F	74.6°F
Jan 31	75.6°F	76.0°F	74.7°F
Feb 1	75.8°F	75.9°F	74.6°F
Feb 2	76.6°F	76.2°F	74.6°F
Feb 3	76.7°F	76.5°F	74.6°F
Feb 4	76.4°F	77.3°F	74.8°F
Feb 5	76.2°F	77.6°F	74.7°F
Feb 6	76.4°F	78.3°F	74.9°F
Feb 7	76.2°F	78.3°F	74.7°F
Feb 8	76.2°F	78.6°F	74.7°F
Feb 9	76.3°F	78.1°F	74.8°F
Feb 10	76.4°F	78.3°F	74.8°F
Feb 11	76.3°F	78.2°F	74.7°F
Feb 12	75.9°F	77.5°F	74.4°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 Perth by month

In Perth, the months January through March offer comfortable swimming conditions, which amounts to 88 swimming days.

The warmest water in Perth was recorded on February 8, 2025, reaching a 78.6°F. While the coldest temperature occurred on September 11, 2025, dipping to 60.6°F. The average readings by season are 73.6°F in Winter, 70.8°F in Spring, 64.8°F in Summer, and 65.7°F in Autumn.