Brown Islet Weather Forecast
- 21
- 31
Sunny
- 20
- 31
Partly cloudy
- 20
- 31
Partly cloudy
- 20
- 31
Partly cloudy
- 20
- 31
Shower
- 21
- 31
Partly cloudy
- 22
- 31
Shower
Today 19 Sep Kakadu National Park
Partly cloudy. Winds easterly 20 to 30 km/h.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- Easterly 15 to 25 knots turning southeasterly 10 to 15 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres east of Groote Eylandt.
- 1st Swell
- Easterly around 1 metre, increasing to 1 to 1.5 metres around midday, then tending east to northeasterly 1 to 2 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A strong high pressure system (1029 hPa) over the southeast of the country is driving fresh to strong easterly winds over the coastal waters. The ridge will weaken from Sunday.
Brown Islet Temperature Statistics View More
September Temperature
Centre Island (7km)
Lowest 2 September, 2026
21.6 °CAverage September
25.8 °CHighest 8 September, 2026
33.8 °C
Climate (2021–2026)
Centre Island (7km)
Average Low 2021–2026
24.5 °CAverage 2021–2026
27.4 °CAverage High 2021–2026
31.5 °C