Shag Islands Weather Forecast

    • 21
    • 34

    Mostly clear

    • 22
    • 33

    Sunny

    • 21
    • 30

    Sunny

    • 20
    • 29

    Sunny

    • 20
    • 29

    Sunny

    • 18
    • 30

    Sunny

    • 19
    • 28

    Becoming windy. Mostly sunny

Today 2 Jan Perth

Mostly clear. Winds south to southwesterly 15 to 25 km/h turning southeasterly in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge lies to the south of the local waters,with a trough down the west coast, moving inland later Friday. A new ridge developing in it's wake, with fresh southerly winds into the start of next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Islands Temperature Statistics View More

January Temperature

Garden Island (5km)

  • Lowest 1 January, 2026

    19.9 °C

  • Average January

    23.9 °C

  • Highest 1 January, 2026

    31.8 °C

Climate (2021–Present)

Garden Island (5km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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