McNamara Island Weather Forecast
- 23
- 28
Mostly sunny
- 23
- 28
Possible shower
- 22
- 28
Possible morning shower
- 20
- 28
Partly cloudy
- 21
- 29
Partly cloudy
- 21
- 29
Mostly sunny
- 21
- 28
Possible shower
Today 18 Sep Kakadu National Park
Partly cloudy. Light winds becoming easterly 25 to 35 km/h in the morning.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- Easterly 15 to 20 knots, reaching up to 25 knots north of Numbulwar during the morning. Winds turning southeasterly 10 to 15 knots in the evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Below 0.5 metres, tending east to northeasterly 1 to 1.5 metres during the morning.
- Weather
- Mostly sunny.
- Weather Situation
- A strong high pressure system over the southeast of the country is extending a ridge over the coastal waters. Winds will strengthen over eastern and northern coastal waters from Friday as the high moves east. The ridge will weaken over the course of the weekend.
McNamara Island Temperature Statistics View More
September Temperature
Gove Airport (69km)
Lowest 6 September, 2026
17.6 °CAverage September
24.2 °CHighest 8 September, 2026
31.7 °C
Climate (2021–2026)
Gove Airport (69km)
Average Low 2021–2026
23.5 °CAverage 2021–2026
26.8 °CAverage High 2021–2026
31.2 °C