Sandy Island Weather Forecast

    • 11
    • 19

    Showers

    • 11
    • 20

    Showers

    • 13
    • 20

    Shower or two

    • 9
    • 21

    Cloud clearing

    • 10
    • 22

    Mostly sunny

    • 10
    • 21

    Shower or two

    • 12
    • 20

    Possible shower

Today 16 May South West

Partly cloudy. Medium chance of showers in the southwest, slight chance elsewhere. Light winds. Daytime maximum temperatures around 18.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Westerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A ridge lies over southern WA and will persist into next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

May Temperature

Windy Harbour (3km)

  • Lowest 1 May, 2026

    0.8 °C

  • Average May

    15.4 °C

  • Highest 12 May, 2026

    24.8 °C

Climate (2021–Present)

Windy Harbour (3km)

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  • Average Low 2021–2026

    11.1 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.4 °C
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