Wannanup - Oceanside Weather Forecast
- 12
- 20
Clear
- 12
- 20
Mostly sunny
- 13
- 20
Shower or two
- 12
- 19
Partly cloudy
- 13
- 19
Shower or two
- 11
- 18
Shower or two
- 11
- 19
Shower or two
Today 21 Sep Mandurah
Clear. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Clear.
- Weather Situation
- A ridge sits over the local waters, weakening tonight and strengthening late Tuesday ahead of the next cold front on Thursday.
Wannanup - Oceanside Temperature Statistics View More
September Temperature
Mandurah (10km)
Lowest 1 September, 2026
10.4 °CAverage September
16.8 °CHighest 16 September, 2026
26.9 °C
Climate (2021–2026)
Mandurah (10km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C