Lake Macquarie - Swansea Weather Forecast
- 5
- 16
Shower or two
- 7
- 17
Showers
- 7
- 18
Rain
- 9
- 18
Rain
- 10
- 19
Showers
- 9
- 21
Shower or two
- 8
- 19
Possible shower
Today 18 Aug Newcastle
Partly cloudy. High chance of showers, most likely from late this morning. The chance of a thunderstorm. Winds southwesterly 15 to 20 km/h tending southerly 15 to 25 km/h in the middle of the day then becoming light in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- South to southwesterly 15 to 20 knots tending south to southeasterly 10 to 15 knots in the afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Southerly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A trough will move along the southern and central waters on Monday and then linger along the northern half of the coast for the remainder of the week. This will cause southerly winds to gradually turn easterly mid-week.
Lake Macquarie - Swansea Temperature Statistics View More
August Temperature
Lake Macquarie (Cooranbong) (15km)
Lowest 17 August, 2025
2.9 °CAverage August
12.1 °CHighest 5 August, 2025
22.4 °C
Climate (2020–Present)
Lake Macquarie (Cooranbong) (15km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
17.1 °CAverage High 2020–2025
23.7 °C