Observation Island Weather Forecast

    • 29
    • 30

    Partly cloudy

    • 29
    • 30

    Shower

    • 28
    • 29

    Storm

    • 28
    • 29

    Storm

    • 28
    • 29

    Storm

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    • 30

    Storm

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    Shower

Today 5 Jan Kakadu National Park

Partly cloudy. Medium chance of showers. A thunderstorm likely in the afternoon and evening. Light winds.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Variable about 10 knots, reaching up to 20 knots northeast of Groote Eylandt during the morning and early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre north of Numbulwar.
1st Swell
North to northwesterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A trough about the base of the Top End is directing light to moderate west to northwesterly winds over coastal waters for the moment. Fresh westerly winds will return later in the week as a monsoon trough forms over the Gulf of Carpentaria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

January Temperature

Centre Island (17km)

  • Lowest 2 January, 2026

    25.4 °C

  • Average January

    28.9 °C

  • Highest 1 January, 2026

    34.9 °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

    31.6 °C
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