Barnes Rocks Weather Forecast
- 15
- 22
Clear
- 12
- 21
Shower or two
- 13
- 19
Shower or two
- 7
- 21
Shower or two
- 12
- 19
Shower or two
- 10
- 20
Possible shower
- 8
- 22
Sunny
Today 6 Sep Hunter
Clear. Winds southeast to southwesterly 15 to 20 km/h becoming light in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Southwesterly 20 to 25 knots turning southerly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots offshore south of Port Stephens in the evening.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- Southerly 1 to 2 metres, increasing to 2.5 to 3 metres later in the evening.
- Weather
- Mostly clear.
- 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 during Monday morning, bringing a gusty southerly change up the NSW coast, followed by another cold front and southerly change mid-week.
Barnes Rocks Temperature Statistics View More
September Temperature
Williamtown RAAF Base (32km)
Lowest 1 September, 2026
5.4 °CAverage September
17.8 °CHighest 3 September, 2026
29.6 °C
Climate (2021–2026)
Williamtown RAAF Base (32km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
18.2 °CAverage High 2021–2026
24 °C