Swansea Offshore Weather Forecast
- 18
- 24
Mostly sunny
- 15
- 19
Sunny
- 17
- 24
Windy. Partly cloudy
- 16
- 19
Sunny
- 15
- 18
Mostly sunny
- 16
- 18
Partly cloudy
- 15
- 18
Shower or two
Today 3 Sep Newcastle
Mostly sunny. Winds northwesterly 25 to 40 km/h tending westerly in the middle of the day then becoming light in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- North to northwesterly 15 to 20 knots, reaching up to 25 knots offshore north of Port Stephens in the late morning. Winds turning west to southwesterly in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Norah Head.
- Weather
- Cloud clearing.
- Weather Situation
- North to northwesterly winds ahead of a trough and associated cold front crosses the coastal waters during today, driving west to southwesterly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.
Swansea Offshore Temperature Statistics View More
September Temperature
Newcastle (Nobbys) (20km)
Lowest 1 September, 2026
10 °CAverage September
17.3 °CHighest 1 September, 2026
24.3 °C
Climate (2021–2026)
Newcastle (Nobbys) (20km)
Average Low 2021–2026
15.5 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C