Shag Islands Weather Forecast

    • 11
    • 23

    Clear

    • 14
    • 22

    Mostly sunny

    • 12
    • 21

    Showers increasing

    • 11
    • 19

    Mostly sunny

    • 8
    • 18

    Sunny

    • 9
    • 20

    Mostly sunny

    • 11
    • 22

    Sunny

Today 19 May Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly below 10 knots becoming northeasterly in the late evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge will persist to the south until a weak cold front moves through during Thursday afternoon and evening. Another ridge develops to the southwest during Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Islands Temperature Statistics View More

May Temperature

Garden Island (5km)

  • Lowest 17 May, 2026

    8.4 °C

  • Average May

    16.7 °C

  • Highest 11 May, 2026

    26.2 °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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