Lake Macquarie - Swansea Channel Entrance Weather Forecast
- 11
- 23
Shower or two
- 11
- 20
Possible shower
- 7
- 22
Possible shower
- 9
- 19
Partly cloudy
- 10
- 20
Partly cloudy
- 9
- 22
Mostly sunny
- 9
- 25
Sunny
Today 7 Sep Newcastle
Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. Light winds becoming east to southeasterly 15 to 20 km/h in the late afternoon then tending south to southeasterly 20 to 30 km/h in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- South to southwesterly below 10 knots becoming east to southeasterly in the late afternoon then tending southerly 15 to 25 knots in the evening. Winds reaching up to 30 knots south of Port Stephens in the late evening. Squalls possible with the wind change.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore south of Norah Head later in the evening.
- 1st Swell
- Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres by early evening.
- Weather
- Mostly sunny day. 70% chance of showers in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening.
- Weather Situation
- A broad high pressure ridge continues to build from the west while a trough lingers over the far northeast of the state. A weak cold front is forecast to cross the far southeast of the state this morning, bringing a gusty southerly change up the NSW coast, followed by another cold front and southerly change mid-week.
Lake Macquarie - Swansea Channel Entrance Temperature Statistics View More
September Temperature
Lake Macquarie (Cooranbong) (16km)
Lowest 1 September, 2026
3.4 °CAverage September
18.4 °CHighest 5 September, 2026
31.5 °C
Climate (2021–2026)
Lake Macquarie (Cooranbong) (16km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
24 °C