East Perth Water Temperature

(Today) 2025

22.9°C / 73.3°F

The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.

Current weather

16°C / 61°F
(few clouds)
Partly cloudy
Wind
6 mph
Humidity
95%

The measurements for the water temperature in East Perth, Western Australia are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly East Perth water temperature derived from many years of historical sea surface temperature data.

East Perth average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in East Perth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.8 19.9 21.3 20.7 20.4 19.3 18.6 18.3 17.6 17 17.9 18.6
Max °C 23.7 25.3 25.1 24.6 23.5 23 20.9 20.2 19.8 20.4 21 22.9
Min °F 69.2 70 71.9 70.8 69.9 68.2 66.4 65.7 64.6 64 65.4 67.2
Max °F 73.1 75.4 75.7 74.7 73 71.9 68.7 67.6 66.8 67.4 68.5 71.5

The warmest water temperature is in March with an average around 73.8°F / 23.2°C. The coldest month is September with an average water temperature of 65.7°F / 18.7°C.

7 day tide forecast for East Perth

SunMonTueWedThuFriSat
  • Low 2:46am
    (0.56m)
  • High 9:51am
    (0.91m)
  • Low 5:06pm
    (0.54m)
  • High 10:10pm
    (0.64m)
  • Low 2:49am
    (0.55m)
  • High 10:10am
    (0.94m)
  • Low 5:59pm
    (0.52m)
  • High 10:41pm
    (0.59m)
  • Low 2:45am
    (0.54m)
  • High 10:29am
    (0.96m)
  • Low 7:07pm
    (0.5m)
  • High 11:13pm
    (0.54m)
  • Low 2:15am
    (0.53m)
  • High 10:50am
    (0.98m)
  • Low 8:47pm
    (0.49m)
  • High 11:43pm
    (0.49m)
  • Low 12:03am
    (0.49m)
  • High 11:13am
    (0.99m)
  • Low 12:11am
    (0.46m)
  • High 11:41am
    (1m)
  • Low 12:38am
    (0.44m)
  • High 12:17pm
    (1m)
7 day tide times for East Perth

*These tide times are estimates based on the nearest accurate location (Fremantle, Australia) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.