Nelson Bay Weather Forecast
- 14
- 23
Possible shower
- 14
- 24
Shower or two
- 14
- 25
Partly cloudy
- 15
- 26
Partly cloudy
- 16
- 27
Mostly sunny
- 16
- 27
Mostly sunny
- 16
- 28
Possible shower
Today 28 Mar Hunter
Mostly sunny. Slight chance of a shower along the coastal fringe this evening. Near zero chance of rain elsewhere. Winds northwest to southwesterly 15 to 25 km/h tending southeast to southwesterly 15 to 20 km/h in the middle of the day then tending east to southeasterly in the evening. Daytime maximum temperatures 21 to 26.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- West to southwesterly 25 to 30 knots, reaching up to 40 knots during the morning and early afternoon. Winds tending south to southwesterly 20 to 30 knots during the day.
- Seas
- 2 to 3 metres, increasing to 2.5 to 4 metres offshore south of Port Stephens.
- 1st Swell
- Southerly 5 to 8 metres, decreasing to 4 to 5 metres by early evening.
- Weather
- Cloudy. 70% chance of showers. The chance of a thunderstorm offshore south of Port Stephens early this morning.
- Caution
- Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A vigorous coastal low has formed off the south coast, whipping up very strong south to southwesterly winds and large, powerful waves along the southern half of the coast, before the system heads into the Tasman Sea through the weekend.
Nelson Bay Temperature Statistics View More
March Temperature
Williamtown RAAF Base (30km)
Lowest 15 March, 2026
11.5 °CAverage March
22.7 °CHighest 17 March, 2026
34.5 °C
Climate (2021–Present)
Williamtown RAAF Base (30km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
23.9 °C