Moon Island Weather Forecast
- 13
- 20
Showers
- 11
- 20
Shower or two
- 9
- 22
Partly cloudy
- 9
- 28
Sunny
- 11
- 30
Sunny
- 15
- 31
Shower or two
- 14
- 22
Showers
Today 27 Sep Newcastle
Cloudy. Very high chance of showers. Winds southeasterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots north of Norah Head in the late afternoon.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly 2 to 2.5 metres.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- Fresh south to southeasterly winds lie over the coastal waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly.
Moon Island Temperature Statistics View More
September Temperature
Lake Macquarie (Cooranbong) (19km)
Lowest 1 September, 2026
3.4 °CAverage September
16.3 °CHighest 21 September, 2026
35.5 °C
Climate (2021–2026)
Lake Macquarie (Cooranbong) (19km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
24 °C