Observation Island Weather Forecast

    • 21
    • 24

    Windy

    • 21
    • 23

    Windy

    • 19
    • 22

    Sunny

    • 19
    • 22

    Sunny

    • 20
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    Sunny

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    Sunny

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    Sunny

Today 15 Jul Kakadu National Park

Sunny. Winds southeasterly 25 to 35 km/h becoming light in the evening then becoming southeasterly 15 to 20 km/h in the late 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 2.5 metres.
1st Swell
East to southeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure directs an east to southeasterly flow across coastal waters, strengthening mid-week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

July Temperature

Centre Island (17km)

  • Lowest 14 July, 2026

    19.7 °C

  • Average July

    24.2 °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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