Observation Island Weather Forecast

    • 26
    • 29

    Partly cloudy

    • 27
    • 29

    Shower

    • 26
    • 28

    Shower

    • 26
    • 28

    Shower

    • 26
    • 28

    Shower

    • 26
    • 28

    Partly cloudy

    • 25
    • 28

    Partly cloudy

Today 18 Apr Kakadu National Park

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Light winds.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
East to southeasterly 10 to 15 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres northeast of Groote Eylandt.
1st Swell
Easterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A ridge that begins strengthening over the Territory from Sunday continues to push east to southeasterly winds over the coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

April Temperature

Centre Island (17km)

  • Lowest 14 April, 2026

    23.4 °C

  • Average April

    29 °C

  • Highest 1 April, 2026

    34.4 °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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