Moon Island Weather Forecast
- 7
- 20
Sunny
- 8
- 19
Sunny
- 7
- 19
Sunny
- 8
- 19
Possible late shower
- 9
- 17
Shower or two
- 9
- 18
Shower or two
- 9
- 18
Shower or two
Today 21 Jun Newcastle
Sunny. Light winds.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Westerly 10 to 15 knots becoming variable below 10 knots in the late afternoon.
- Seas
- Around 1 metre, decreasing below 0.5 metres during the afternoon.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Sunny.
- Weather Situation
- A low pressure system is forecast to form over the southern waters today in response to a passing cold front, and then move away to the east. Southerly winds are likely to persist for the remainder of the week as a ridge of high pressure extends across from the west.
Moon Island Temperature Statistics View More
June Temperature
Lake Macquarie (Cooranbong) (19km)
Lowest 7 June, 2026
3.7 °CAverage June
14.2 °CHighest 10 June, 2026
23.2 °C
Climate (2021–2026)
Lake Macquarie (Cooranbong) (19km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
24 °C