Observation Island Weather Forecast

    • 20
    • 24

    Windy

    • 19
    • 23

    Windy

    • 19
    • 22

    Windy

    • 19
    • 22

    Partly cloudy

    • 20
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    Sunny

    • 20
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    Sunny

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    Sunny

Today 17 Aug Kakadu National Park

Sunny. Winds southeasterly 25 to 35 km/h becoming light in the late evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots in the late morning and early afternoon.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
Northeast to southeasterly below 1 metre.
Weather
Sunny.
Weather Situation
A high will move across southern Australia from the weekend, causing winds over coastal waters to strengthen from Sunday.
Graph Plots Open in Graphs

  • 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

    21.8 °C

  • Highest 15 August, 2025

    28.4 °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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