South West Island Weather Forecast

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    Shower

Today 18 Feb Kakadu National Park

Partly cloudy. High chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming westerly 15 to 20 km/h in the morning then becoming light in the middle of the day.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
West to northwesterly 15 to 20 knots tending west to southwesterly 10 to 15 knots in the middle of the day then tending west to northwesterly in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
Northwest to northeasterly below 1 metre.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

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South West Island Temperature Statistics View More

February Temperature

Centre Island (16km)

  • Lowest 2 February, 2026

    23.5 °C

  • Average February

    29.1 °C

  • Highest 10 February, 2026

    34.3 °C

Climate (2021–Present)

Centre Island (16km)

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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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