Observation Island Weather Forecast

    • 24
    • 27

    Partly cloudy

    • 25
    • 27

    Sunny

    • 25
    • 27

    Partly cloudy

    • 25
    • 27

    Partly cloudy

    • 25
    • 27

    Partly cloudy

    • 26
    • 27

    Sunny

    • 26
    • 28

    Sunny

Today 3 Oct Kakadu National Park

Mostly sunny. Light winds becoming east to southeasterly 15 to 25 km/h in the morning then becoming light in the evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
South to southeasterly about 10 knots tending easterly 10 to 15 knots in the early morning. Winds reaching up to 20 knots northeast of Groote Eylandt during the morning.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
1st Swell
East to northeasterly around 1 metre.
Weather
Mostly sunny.
Weather Situation
A weak ridge and a broad east to northeasterly flow will continue over the coastal waters into the new week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

October Temperature

Centre Island (17km)

  • Lowest 2 October, 2026

    23.3 °C

  • Average October

    26.4 °C

  • Highest 1 October, 2026

    31.2 °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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