Rocky Island Weather Forecast

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Sunny

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    Partly cloudy

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    Shower

Today 13 Sep Kakadu National Park

Mostly sunny. Winds easterly 25 to 35 km/h becoming light in the late evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Easterly 10 to 15 knots, reaching up to 20 knots northeast of Groote Eylandt during the morning. Winds turning southeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Numbulwar.
1st Swell
East to northeasterly around 1 metre.
Weather
Sunny.
Weather Situation
A high pressure ridge is directing moderate to fresh east to southeasterly winds over the north and eastern coastal waters, weakening from late Sunday. A new ridge will approach from the south midweek.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Island Temperature Statistics View More

September Temperature

Centre Island (9km)

  • Lowest 2 September, 2026

    21.6 °C

  • Average September

    25.5 °C

  • Highest 8 September, 2026

    33.8 °C

Climate (2021–2026)

Centre Island (9km)

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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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