Blue Bay Weather Forecast

    • 15
    • 19

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 14
    • 24

    Mostly sunny

    • 17
    • 28

    Sunny

    • 20
    • 25

    Shower or two

    • 17
    • 21

    Showers

    • 13
    • 19

    Possible shower

Today 13 Sep Mandurah

Partly cloudy. Slight chance of a shower. Winds westerly 15 to 20 km/h becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Westerly about 10 knots becoming south to southwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A westerly flow will continue over local waters this weekend as a cold front brushes past the southwest coast on Sunday night. Winds turning easterly from Monday as a high develops in the Bight. A trough arrives on the west coast on Tuesday. The trough will move back inland later Thursday ahead of another cold front.
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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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