Little Nelson Bay Weather Forecast
- 20
- 30
Mostly sunny
- 20
- 36
Mostly sunny
- 24
- 33
Shower or two. Possible storm
- 20
- 28
Shower or two
- 19
- 28
Possible shower
- 19
- 25
Shower or two
- 18
- 24
Possible shower
Today 20 Dec Hunter
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm during this afternoon and early evening. Winds west to northwesterly 15 to 25 km/h tending northeast to southeasterly 15 to 20 km/h in the late afternoon then tending south to southeasterly in the evening. Daytime maximum temperatures 31 to 41.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- North to northwesterly 10 to 15 knots tending south to southeasterly in the middle of the day then tending north to northeasterly in the early afternoon. Winds reaching up to 25 knots offshore north of Norah Head in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore north of Port Stephens by early evening.
- 1st Swell
- Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm this afternoon.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Little Nelson Bay Temperature Statistics View More
December Temperature
Williamtown RAAF Base (30km)
Lowest 2 December, 2025
11.3 °CAverage December
23.1 °CHighest 6 December, 2025
40.2 °C
Climate (2020–Present)
Williamtown RAAF Base (30km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
18 °CAverage High 2020–2025
23.7 °C