Sandy Island Weather Forecast

    • 6
    • 19

    Mostly sunny

    • 8
    • 21

    Sunny

    • 8
    • 22

    Sunny

    • 11
    • 18

    Showers. Windy

    • 9
    • 16

    Shower or two

    • 10
    • 17

    Showers easing. Wind easing

    • 9
    • 18

    Shower or two

Today 14 Aug South West

Mostly sunny. The chance of morning fog in the east. Light winds. Daytime maximum temperatures around 20.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Mostly sunny.
Weather Situation
A broad ridge of high pressure over southern WA will dominate the weather pattern for the remainder of the week. Winds turning north to northeasterly on Sunday, ahead of a cold front arriving on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

August Temperature

Windy Harbour (3km)

  • Lowest 11 August, 2026

    1.5 °C

  • Average August

    13.1 °C

  • Highest 3 August, 2026

    21 °C

Climate (2021–2026)

Windy Harbour (3km)

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  • Average Low 2021–2026

    11 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    20.4 °C
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