Blue Bay Weather Forecast

    • 14
    • 25

    Clear

    • 17
    • 28

    Mostly sunny

    • 21
    • 25

    Mostly sunny

    • 17
    • 20

    Showers increasing

    • 14
    • 18

    Showers easing. Wind easing

    • 14
    • 19

    Possible shower

    • 13
    • 21

    Mostly sunny

Today 15 Sep Mandurah

Clear. Winds southeasterly 15 to 20 km/h tending easterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 10 to 15 knots tending easterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Clear.
Weather Situation
A trough extends down the west coast. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the local waters on Friday before the next ridge begins to develop.
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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16 °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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