Observation Island Weather Forecast

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    Sunny

    • 22
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    Windy

    • 21
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    Sunny

    • 20
    • 23

    Sunny

    • 19
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    Sunny

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    Sunny

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    Sunny

Today 13 Aug Kakadu National Park

Mostly sunny. The chance of morning fog north of Arnhem Highway. Winds southeasterly 20 to 30 km/h turning easterly 15 to 20 km/h during the afternoon and evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
East to northeasterly below 1 metre.
Weather
Sunny.
Weather Situation
A high will move across southern Australia this week, re-establishing a ridge through coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

August Temperature

Centre Island (17km)

  • Lowest 5 August, 2025

    15.8 °C

  • Average August

    21.3 °C

  • Highest 5 August, 2025

    27.9 °C

Climate (2020–Present)

Centre Island (17km)

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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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