South West Island Weather Forecast

    • 18
    • 29

    Partly cloudy

    • 17
    • 31

    Partly cloudy

    • 17
    • 30

    Sunny

    • 17
    • 29

    Partly cloudy

    • 16
    • 29

    Sunny

    • 16
    • 28

    Sunny

    • 17
    • 28

    Shower

Today 2 Jul Kakadu National Park

Mostly sunny. Light winds.

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 and early afternoon. Winds turning southeasterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres north of Numbulwar during the morning.
1st Swell
East to northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A ridge over northern parts of the NT will continue to direct a generally easterly flow over coastal waters. Winds will freshen about northern and eastern waters as a high pressure system moves through the Bight late in the week and over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Island Temperature Statistics View More

July Temperature

Centre Island (16km)

  • Lowest 1 July, 2026

    23 °C

  • Average July

    24.6 °C

  • Highest

    –

Climate (2021–2026)

Centre Island (16km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    24.5 °C

  • Average 2021–2026

    27.4 °C

  • Average High 2021–2026

    31.5 °C
Get WillyWeather+ to remove ads