Sandy Island Weather Forecast

    • 7
    • 15

    Showers. Very windy

    • 9
    • 18

    Showers. Very windy

    • 9
    • 17

    Shower or two. Windy

    • 10
    • 18

    Shower or two

    • 7
    • 18

    Partly cloudy

    • 8
    • 19

    Shower or two

    • 9
    • 19

    Shower or two

Today 21 Jun South West

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm in the southwest, possibly severe. Possible small hail during the morning and afternoon. Damaging winds possible near the coast. Winds west to northwesterly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the late morning. Daytime maximum temperatures between 12 and 15.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southerly 30 to 40 knots turning southwesterly 25 to 35 knots in the early afternoon.
Seas
2.5 to 4 metres.
1st Swell
Southwesterly 5 to 7 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm. Possible small hail in the morning and afternoon.
Caution
Large and powerful surf conditions from the late morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
An active cold front continues to move further inland on the weekend. A ridge of high pressure will build across the Midwest coast from Sunday as another cold front brushes past the south coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

June Temperature

Windy Harbour (3km)

  • Lowest 5 June, 2025

    4.8 °C

  • Average June

    15.3 °C

  • Highest 1 June, 2025

    21 °C

Climate (2020–Present)

Windy Harbour (3km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    17 °C

  • Average High 2020–2025

    20.5 °C
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