Blue Bay Weather Forecast

    • 14
    • 22

    Mostly sunny

    • 16
    • 19

    Morning showers

    • 14
    • 19

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 18
    • 27

    Sunny

    • 19
    • 24

    Mostly sunny

Today 11 Sep Mandurah

Mostly sunny. Winds northeasterly 15 to 25 km/h turning northwesterly in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly about 10 knots increasing to 15 to 20 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Mostly sunny.
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.
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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    15.4 °C

  • Highest 9 September, 2026

    22.2 °C

Climate (2021–2026)

Mandurah (1km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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