Sandy Island Weather Forecast

    • 11
    • 21

    Partly cloudy

    • 11
    • 21

    Possible shower

    • 13
    • 20

    Showers. Becoming windy

    • 9
    • 17

    Showers. Windy

    • 11
    • 18

    Showers

    • 12
    • 18

    Shower or two

    • 11
    • 19

    Cloudy

Today 28 Apr South West

Partly cloudy. Slight chance of a shower in the north, most likely in the afternoon and evening. Near zero chance of rain elsewhere. Winds easterly 15 to 20 km/h becoming light in the early afternoon. Daytime maximum temperatures between 19 and 22.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
East to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres inshore, increasing to 3 to 4 metres offshore north of Cape Leeuwin.
Weather
Partly cloudy.
Weather Situation
A broad trough extends from Shark Bay to Esperance and begins moving eastwards from Wednesday. A new ridge will strengthen from the west in the wake of the trough as a cold front and low pressure system through the Southern Ocean bring increasing winds about the southern districts late in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sandy Island Temperature Statistics View More

April Temperature

Windy Harbour (3km)

  • Lowest 21 April, 2026

    3.2 °C

  • Average April

    17.3 °C

  • Highest 3 April, 2026

    26.2 °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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