South West Island Weather Forecast
- 24
- 32
Partly cloudy
- 25
- 35
Partly cloudy
- 25
- 37
Partly cloudy
- 25
- 36
Shower
- 25
- 34
Storm
- 25
- 33
Shower
- 25
- 33
Storm
Today 28 Dec 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
- Northwesterly 10 to 15 knots, reaching up to 20 knots northeast of Groote Eylandt in the evening. Squalls above 40 knots possible.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres east of Groote Eylandt.
- 1st Swell
- North to northwesterly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A tropical low lies in northwest Queensland near the Northern Territory border and southern Gulf coast, directing fresh monsoonal northwesterlies through Gulf waters. The low will slowly drift southwards over the next couple of days with its subsequent location and strength becoming uncertain late in the week. A trough through the central NT may freshen westerly winds in the western waters later this week.
South West Island Temperature Statistics View More
December Temperature
Centre Island (16km)
Lowest 22 December, 2025
23.7 °CAverage December
29.5 °CHighest 3 December, 2025
36.8 °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