South West Island Weather Forecast

    • 13
    • 29

    Clear

    • 10
    • 30

    Sunny

    • 10
    • 30

    Sunny

    • 14
    • 28

    Partly cloudy

    • 16
    • 28

    Partly cloudy

    • 14
    • 27

    Sunny

    • 12
    • 28

    Sunny

Today 8 Jul Kakadu National Park

Mostly sunny. Winds southeasterly 15 to 20 km/h becoming light in the middle of the day.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots east of Groote Eylandt during the morning and early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres east of Groote Eylandt.
1st Swell
East to southeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge will weaken across coastal waters today and Wednesday, then begin to strengthen again from Thursday as a high moves over southern WA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Island Temperature Statistics View More

July Temperature

Centre Island (16km)

  • Lowest 4 July, 2025

    16.7 °C

  • Average July

    21 °C

  • Highest 6 July, 2025

    27.5 °C

Climate (2020–Present)

Centre Island (16km)

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  • Average Low 2020–2025

    24.5 °C

  • Average 2020–2025

    27.4 °C

  • Average High 2020–2025

    31.6 °C
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