Blue Bay Weather Forecast

    • 12
    • 21

    Mostly sunny

    • 14
    • 25

    Mostly sunny

    • 18
    • 28

    Mostly sunny

    • 21
    • 23

    Mostly sunny

    • 17
    • 21

    Showers

    • 13
    • 18

    Possible shower

    • 13
    • 19

    Mostly sunny

Today 14 Sep Mandurah

Mostly sunny. Winds southeasterly 15 to 25 km/h increasing to 25 to 30 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots turning southeasterly in the evening.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A westerly flow initially before turning easterly during today 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 that will move over local waters Friday morning.
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  • Temperature Forecast Bureau of Meteorology

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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16.1 °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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