South West Island Weather Forecast
- 13
- 29
Clear
- 10
- 30
Sunny
- 10
- 30
Sunny
- 14
- 28
Partly cloudy
- 16
- 28
Partly cloudy
- 14
- 27
Sunny
- 12
- 28
Sunny
Today 8 Jul Kakadu National Park
Mostly sunny. Winds southeasterly 15 to 20 km/h becoming light in the middle of the day.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- Southeasterly 10 to 15 knots, reaching up to 20 knots east of Groote Eylandt during the morning and early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres east of Groote Eylandt.
- 1st Swell
- East to southeasterly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge will weaken across coastal waters today and Wednesday, then begin to strengthen again from Thursday as a high moves over southern WA.
South West Island Temperature Statistics View More
July Temperature
Centre Island (16km)
Lowest 4 July, 2025
16.7 °CAverage July
21 °CHighest 6 July, 2025
27.5 °C
Climate (2020–Present)
Centre Island (16km)
Average Low 2020–2025
24.5 °CAverage 2020–2025
27.4 °CAverage High 2020–2025
31.6 °C