Stun'sail Boom Beach Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 9
    • 15

    Shower

    • 7
    • 18

    Cloudy

    • 12
    • 20

    Shower

    • 11
    • 16

    Shower

    • 8
    • 14

    Shower

    • 7
    • 15

    Shower

Today 22 Aug Kangaroo Island

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds northwesterly 15 to 25 km/h turning westerly in the late morning. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
North to northwesterly 10 to 15 knots turning westerly 15 to 20 knots in the early morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning, then tending westerly 3 to 4 metres during the afternoon.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A weak cold front is in the south east currently with a high pressure ridge is beginning to establish itself. A weak cold front is expected to clip the southeast on Saturday. The high will continue to move southeastwards on Sunday to be in the Tasman Sea on Monday as another front approaches from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stun'sail Boom Beach Temperature Statistics View More

August Temperature

Cape Borda (47km)

  • Lowest 8 August, 2025

    5.1 °C

  • Average August

    11.2 °C

  • Highest 11 August, 2025

    16.5 °C

Climate (2020–Present)

Cape Borda (47km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.9 °C

  • Average High 2020–2025

    18.9 °C
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