Blue Bay Weather Forecast

    • 14
    • 27

    Clear

    • 17
    • 29

    Sunny

    • 19
    • 33

    Sunny

    • 21
    • 39

    Sunny

    • 27
    • 38

    Sunny

    • 23
    • 28

    Partly cloudy

    • 18
    • 27

    Cloud clearing

Today 21 Dec Mandurah

Clear. Winds southerly 25 to 30 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 25 knots, reaching up to 30 knots in the evening.
Seas
2 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Clear.
Weather Situation
A ridge persists over local waters. A weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
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December Temperature

Mandurah (1km)

  • Lowest 21 December, 2025

    14 °C

  • Average December

    23 °C

  • Highest 14 December, 2025

    40.1 °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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