Blue Bay Weather Forecast

    • 12
    • 19

    Clear

    • 10
    • 21

    Mostly sunny

    • 12
    • 21

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 16
    • 22

    Mostly sunny

    • 16
    • 20

    Showers

Today 6 Sep Mandurah

Clear. Winds southeasterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Clear.
Weather Situation
A high in the Bight is directing southeasterly winds across the local waters. Winds tending easterly on Wednesday as the high starts to move away, with a trough developing near the west coast on Thursday.
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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    15 °C

  • Highest 3 September, 2026

    18 °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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