South West Island Weather Forecast

    • 17
    • 31

    Partly cloudy

    • 18
    • 31

    Sunny

    • 17
    • 30

    Sunny

    • 15
    • 31

    Sunny

    • 15
    • 29

    Partly cloudy

    • 15
    • 30

    Sunny

    • 16
    • 30

    Partly cloudy

Today 12 Aug Kakadu National Park

Mostly sunny. The chance of morning fog north of Arnhem Highway. Light winds.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Variable about 10 knots becoming easterly 10 to 15 knots in the morning then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A weak ridge over northeastern Australia is directing light east to northeasterly winds over northern and eastern coastal waters. A strong ridge over Western Australia will push a southeasterly wind surge across coastal waters from Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Island Temperature Statistics View More

August Temperature

Centre Island (16km)

  • Lowest 2 August, 2026

    18.8 °C

  • Average August

    23.3 °C

  • Highest 9 August, 2026

    29.7 °C

Climate (2021–2026)

Centre Island (16km)

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  • Average Low 2021–2026

    24.5 °C

  • Average 2021–2026

    27.4 °C

  • Average High 2021–2026

    31.5 °C
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