Swansea Channel - Coon Island Weather Forecast
- 9
- 23
Clear
- 7
- 26
Sunny day. Late shower or two
- 12
- 24
Possible early shower
- 6
- 23
Sunny
- 8
- 24
Possible late shower
- 7
- 18
Shower or two
- 8
- 21
Partly cloudy
Today 18 Sep Newcastle
Clear. Winds east to northeasterly 15 to 25 km/h becoming light in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northeasterly 15 to 20 knots turning northerly in the late evening. Winds reaching up to 25 knots offshore south of Norah Head in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southerly 2 metres, decreasing to 1.5 metres by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- In the wake of a cold front, south to southwesterly winds will tend northerly and strengthen today as a high pressure system drifts across the coastal waters. Winds will shift west to southwesterly again over the weekend as a stronger cold front moves over NSW coastal waters, with southwesterly winds persisting into early next week as a series of fronts brush the south of the state.
Swansea Channel - Coon Island Temperature Statistics View More
September Temperature
Lake Macquarie (Cooranbong) (16km)
Lowest 1 September, 2025
3.7 °CAverage September
14.8 °CHighest 8 September, 2025
28.1 °C
Climate (2020–Present)
Lake Macquarie (Cooranbong) (16km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
17.1 °CAverage High 2020–2025
23.7 °C