Observation Island Weather Forecast

    • 21
    • 24

    Sunny

    • 21
    • 24

    Sunny

    • 23
    • 24

    Shower

    • 22
    • 25

    Partly cloudy

    • 21
    • 25

    Sunny

    • 21
    • 25

    Sunny

    • 21
    • 25

    Partly cloudy

Today 6 Jul Kakadu National Park

Mostly sunny. Winds southeasterly 20 to 30 km/h becoming light in the evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 15 to 25 knots, reaching up to 30 knots offshore south of Numbulwar during the morning.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
East to southeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge over the NT will continue to direct an east to southeasterly flow over coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

July Temperature

Centre Island (17km)

  • Lowest 3 July, 2026

    21.8 °C

  • Average July

    24.5 °C

  • Highest 1 July, 2026

    29.4 °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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