West Perth Water Temperature
(Today) 2025
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
(clear sky)
The measurements for the water temperature in West 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 West Perth water temperature derived from many years of historical sea surface temperature data.
| 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 West Perth
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*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.
