Blue Bay Weather Forecast
- 16
- 19
Showers
- 15
- 19
Cloudy
- 13
- 22
Partly cloudy
- 14
- 25
Mostly sunny
- 18
- 28
Sunny
- 19
- 23
Mostly sunny
- 16
- 21
Showers
Today 12 Sep Mandurah
Partly cloudy. High chance of showers, becoming less likely early this morning. Winds northwesterly 25 to 35 km/h tending westerly in the early morning then becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- West to northwesterly 15 to 25 knots shifting west to southwesterly in the early morning then becoming west to northwesterly below 10 knots in the late afternoon. Winds may reach up to 30 knots immediately behind the wind change early in the morning.
- Seas
- 1 to 2 metres, decreasing below 1 metre around midday.
- 1st Swell
- West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- Winds will tend north to northwesterly today ahead of a weak cold front passing through the area on Saturday morning, followed by another cold front brushing the southwest coast later on Sunday. A west coast trough extends over the local waters from Tuesday.
Blue Bay Temperature Statistics View More
September Temperature
Mandurah (1km)
Lowest 1 September, 2026
10.4 °CAverage September
15.7 °CHighest 9 September, 2026
22.2 °C
Climate (2021–2026)
Mandurah (1km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.1 °CAverage High 2021–2026
23.8 °C