Sandy Island Weather Forecast

    • 9
    • 18

    Showers. Very windy

    • 10
    • 17

    Showers easing. Very windy

    • 9
    • 18

    Showers increasing

    • 10
    • 16

    Shower or two. Wind easing

    • 8
    • 17

    Partly cloudy

    • 9
    • 18

    Cloudy

    • 8
    • 21

    Partly cloudy

Today 3 Sep South West

Partly cloudy. High chance of showers. Winds northwesterly 20 to 30 km/h increasing to 25 to 35 km/h in the late evening. Daytime maximum temperatures around 18.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Northwesterly 20 to 30 knots turning westerly 25 to 30 knots in the late evening.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres during the afternoon.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A moderate cold front will pass the southwest of the state tonight and travel east along the south coast on Friday. A stronger cold front will cross the west coast on Saturday night, and move to the Esperance and Eucla coasts on Sunday before contracting inland on Monday as a new ridge develops in the Bight. Meanwhile, a weak ridge persisting over the Geraldton and Gascoyne coasts will dissipate on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

September Temperature

Windy Harbour (3km)

  • Lowest 1 September, 2026

    9.2 °C

  • Average September

    14.7 °C

  • Highest 1 September, 2026

    17.2 °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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