Blue Bay Weather Forecast

    • 11
    • 21

    Sunny

    • 12
    • 21

    Partly cloudy

    • 14
    • 22

    Mostly sunny

    • 16
    • 20

    Showers easing

    • 15
    • 20

    Showers increasing

    • 13
    • 21

    Partly cloudy

    • 13
    • 23

    Sunny

Today 9 Sep Mandurah

Sunny. Winds easterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Sunny.
Weather Situation
A high in the Bight is directing southeasterly winds across the local waters. Winds tending easterly on Wednesday as the high drifts eastwards, while a west coast trough may develop on Thursday, ahead of the next cold front crossing the southern districts during the weekend.
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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    15.2 °C

  • Highest 7 September, 2026

    20.6 °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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