Rocky Island Weather Forecast
- 20
- 30
Partly cloudy
- 21
- 31
Partly cloudy
- 22
- 31
Partly cloudy
- 23
- 31
Partly cloudy
- 24
- 33
Partly cloudy
- 23
- 33
Sunny
- 21
- 32
Windy
Today 17 Sep Kakadu National Park
Sunny. Light winds becoming easterly 15 to 20 km/h in the middle of the day then becoming light in the evening.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- East to southeasterly about 10 knots increasing to 10 to 15 knots in the morning then decreasing to about 10 knots in the early afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A ridge extending over northeastern Australia maintains east to southeasterly winds over the eastern and northern coastal waters, freshening in northern gulf waters as the ridge strengthens Thursday and Friday. Light winds persist over the western waters.
Rocky Island Temperature Statistics View More
September Temperature
Centre Island (9km)
Lowest 3 September, 2025
19.3 °CAverage September
24.9 °CHighest 6 September, 2025
31.7 °C
Climate (2020–Present)
Centre Island (9km)
Average Low 2020–2025
24.5 °CAverage 2020–2025
27.4 °CAverage High 2020–2025
31.6 °C