Blue Bay Weather Forecast
- 12
- 20
Sunny
- 12
- 19
Possible shower
- 12
- 20
Mostly sunny
- 13
- 20
Partly cloudy
- 11
- 18
Shower or two
- 11
- 18
Shower or two
- 12
- 18
Partly cloudy
Today 22 Sep Mandurah
Sunny. Winds southwesterly 15 to 20 km/h becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southwesterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge sits over the local waters, weakening tonight and strengthening late Tuesday ahead of the next cold front on Thursday.
Blue Bay Temperature Statistics View More
September Temperature
Mandurah (1km)
Lowest 1 September, 2026
10.4 °CAverage September
16.8 °CHighest 16 September, 2026
26.9 °C
Climate (2021–2026)
Mandurah (1km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C