Observation Island Weather Forecast

    • 20
    • 24

    Partly cloudy

    • 21
    • 23

    Partly cloudy

    • 21
    • 23

    Sunny

    • 20
    • 23

    Sunny

    • 21
    • 23

    Partly cloudy

    • 21
    • 23

    Sunny

    • 20
    • 23

    Sunny

Today 30 Jul Kakadu National Park

Partly cloudy. Winds east to southeasterly 15 to 25 km/h becoming light in the late 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 east of Groote Eylandt.
1st Swell
Easterly below 1 metre.
Weather
Clear.
Weather Situation
A high [1033 hPa] over South Australia extends a strengthening ridge over coastal waters. The high will move into the Tasman Sea on the weekend.
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  • Temperature Forecast Bureau of Meteorology

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Observation Island Temperature Statistics View More

July Temperature

Centre Island (17km)

  • Lowest 27 July, 2026

    17.1 °C

  • Average July

    23 °C

  • Highest 9 July, 2026

    29.5 °C

Climate (2021–2026)

Centre Island (17km)

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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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