South West Island Weather Forecast

    • 19
    • 32

    Sunny

    • 20
    • 32

    Sunny

    • 20
    • 31

    Sunny

    • 22
    • 30

    Shower

    • 21
    • 30

    Shower

    • 22
    • 29

    Shower

    • 21
    • 29

    Partly cloudy

Today 7 May Kakadu National Park

Sunny. Winds southeasterly 20 to 30 km/h 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
Northeast to southeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure extends across the Northern Territory, directing east to southeasterly winds over the coastal waters. The ridge will continue to strengthen throughout the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Island Temperature Statistics View More

May Temperature

Centre Island (16km)

  • Lowest 6 May, 2026

    23.6 °C

  • Average May

    27.3 °C

  • Highest 4 May, 2026

    32.7 °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

    31.5 °C
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