Shag Islands Weather Forecast

    • 10
    • 18

    Clear

    • 8
    • 17

    Mostly sunny

    • 7
    • 19

    Mostly sunny

    • 11
    • 22

    Sunny

    • 12
    • 22

    Sunny

    • 15
    • 20

    Showers increasing

    • 15
    • 20

    Showers easing

Today 22 May Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots tending southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge will strengthen to the south of the Perth and Melville waters during the weekend.
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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
Get WillyWeather+ to remove ads