Observation Island Weather Forecast

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    Sunny

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    Sunny

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    Sunny

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    • 27

    Sunny

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

Today 6 May Kakadu National Park

Mostly sunny. Light winds becoming 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
Southeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Numbulwar during the morning.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
1st Swell
East to southeasterly below 1 metre.
Weather
Mostly sunny. 50% chance of showers offshore north of Numbulwar, near zero chance elsewhere.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

May Temperature

Centre Island (17km)

  • Lowest 5 May, 2026

    24.5 °C

  • Average May

    27.4 °C

  • Highest 4 May, 2026

    32.7 °C

Climate (2021–Present)

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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