Shoalwater Bay Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 14
    • 19

    Showers

    • 13
    • 17

    Shower or two

    • 12
    • 19

    Partly cloudy

    • 11
    • 20

    Sunny

    • 12
    • 23

    Sunny

    • 14
    • 25

    Sunny

Today 16 Sep Perth

Partly cloudy. Winds west to northwesterly 15 to 20 km/h tending north to northwesterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge lies to the north before a cold front moves through on Wednesday. A new ridge will begin developing just to the north on Thursday before slipping south of Local Waters on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalwater Bay Temperature Statistics View More

September Temperature

Garden Island (4km)

  • Lowest 1 September, 2025

    7.5 °C

  • Average September

    14.3 °C

  • Highest 12 September, 2025

    24.1 °C

Climate (2020–Present)

Garden Island (4km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.3 °C
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