Sandy Island Weather Forecast

    • 14
    • 21

    Cloudy

    • 13
    • 22

    Possible shower

    • 15
    • 22

    Partly cloudy

    • 13
    • 24

    Becoming windy. Partly cloudy

    • 13
    • 26

    Becoming windy. Sunny

    • 15
    • 25

    Mostly sunny

    • 16
    • 25

    Mostly sunny

Today 27 Dec South West

Cloudy. Winds southwesterly 15 to 20 km/h tending southerly in the morning then becoming light in the late evening. Daytime maximum temperatures in the low to mid 20s.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots offshore east of Cape Leeuwin early in the morning.
Seas
1 to 2 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Caution
Large and powerful surf conditions from this morning until late afternoon are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
A trough has moved into the the interior ahead of a weak cold front moving along the south coast towards SA. A ridge is developing along the south coast during the weekend in the wake of the trough.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

December Temperature

Windy Harbour (3km)

  • Lowest 13 December, 2025

    0.8 °C

  • Average December

    21 °C

  • Highest 25 December, 2025

    38 °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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