Observation Island Weather Forecast
- 22
- 25
Partly cloudy
- 23
- 25
Sunny
- 22
- 25
Partly cloudy
- 22
- 25
Sunny
- 22
- 25
Sunny
- 23
- 25
Partly cloudy
- 22
- 25
Partly cloudy
Today 3 Jul Kakadu National Park
Sunny. Winds easterly 15 to 25 km/h becoming light in the late afternoon.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- East to southeasterly 10 to 15 knots, reaching up to 20 knots northeast of Groote Eylandt during the morning and early afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- East to northeasterly below 1 metre.
- Weather
- Mostly sunny. Patchy fog with reduced visibility south of Groote Island.
- Weather Situation
- A ridge over northern parts of the NT will continue to direct an east to southeasterly flow over coastal waters. Winds will freshen about northern and eastern waters as a high pressure system moves through the Bight late in the week and over the weekend.
Observation Island Temperature Statistics View More
July Temperature
Centre Island (17km)
Lowest 2 July, 2026
22.1 °CAverage July
24.2 °CHighest 1 July, 2026
29.4 °C
Climate (2021–2026)
Centre Island (17km)
Average Low 2021–2026
24.5 °CAverage 2021–2026
27.4 °CAverage High 2021–2026
31.5 °C