Blue Bay Weather Forecast

    • 18
    • 31

    Clear

    • 20
    • 30

    Sunny

    • 19
    • 33

    Sunny

    • 18
    • 35

    Sunny

    • 24
    • 37

    Possible storm

    • 24
    • 34

    Sunny

    • 22
    • 28

    Partly cloudy

Today 10 Dec Mandurah

Sunny. Winds southwesterly 20 to 30 km/h tending southerly 20 to 25 km/h in the evening then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
An inland trough will move closer to the west coast by the weekend where it is expected to deepen. The trough will move offshore from the Local Waters on Sunday as a high pressure system moves into the Bight and strengthens.
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December Temperature

Mandurah (1km)

  • Lowest 4 December, 2025

    16.1 °C

  • Average December

    21.3 °C

  • Highest 1 December, 2025

    35.7 °C

Climate (2020–Present)

Mandurah (1km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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