Sandy Island Weather Forecast

    • 15
    • 21

    Showers

    • 14
    • 20

    Showers. Very windy

    • 13
    • 20

    Shower or two. Wind easing

    • 12
    • 19

    Possible shower

    • 12
    • 21

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 14
    • 23

    Partly cloudy

Today 29 Mar South West

Cloudy. High chance of showers, becoming less likely in the early afternoon. Winds westerly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures in the low 20s.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Westerly 15 to 20 knots turning southwesterly during the day.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A low pressure system is off the south coast with a high pressure ridge over the far east of the state. A cold front will then pass southern WA later Sunday into Monday, with a ridge building over the Central West in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

March Temperature

Windy Harbour (3km)

  • Lowest 26 March, 2026

    0.5 °C

  • Average March

    19.8 °C

  • Highest 18 March, 2026

    25.5 °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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