Hunter River - Newcastle Harbour Weather Forecast
- 11
- 20
Partly cloudy
- 8
- 20
Sunny
- 10
- 20
Possible shower
- 11
- 20
Shower or two
- 11
- 21
Shower or two
- 13
- 21
Shower or two
- 13
- 22
Shower or two
Today 5 Jun Newcastle
Slight chance of a shower, most likely this morning. Mostly sunny afternoon. Winds northwest to southwesterly 20 to 30 km/h becoming southwesterly 15 to 25 km/h in the early afternoon then tending westerly 15 to 20 km/h in the late evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Westerly 25 to 30 knots turning southwesterly in the morning. Winds reaching up to 35 knots offshore in the late morning and early afternoon.
- Seas
- 2 to 3 metres, increasing to 3 to 4 metres offshore north of Port Stephens.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1.5 to 2.5 metres during the morning, then tending southerly 3 to 5 metres around midday.
- Weather
- Cloudy. 90% chance of showers offshore, 60% chance elsewhere. The chance of a thunderstorm during this afternoon and evening.
- Caution
- Large and powerful surf conditions in the afternoon and evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A deep, complex low in the Tasman Sea is driving gusty southwesterly winds today. The vigorous south to southwesterly flow associated with that low is forecast to continue as a trough crosses the coastal waters. Then, a high pressure system is forecast to drift over the coastal waters during the weekend or early next week, turning the winds southeast to northeasterly.
Hunter River - Newcastle Harbour Temperature Statistics View More
June Temperature
Newcastle (Nobbys) (2km)
Lowest 1 June, 2026
8.9 °CAverage June
15.1 °CHighest 3 June, 2026
20.3 °C
Climate (2021–Present)
Newcastle (Nobbys) (2km)
Average Low 2021–2026
15.4 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C