Swansea Offshore Weather Forecast
- 17
- 25
Mostly sunny
- 17
- 19
Sunny
- 16
- 18
Shower or two
- 16
- 17
Possible morning shower
- 14
- 17
Shower or two
- 15
- 17
Partly cloudy
- 15
- 18
Partly cloudy
Today 5 Sep Newcastle
Mostly sunny day. Slight chance of a shower late this afternoon and evening. Winds northwesterly 20 to 30 km/h increasing to 35 to 50 km/h in the middle of the day then tending westerly 15 to 25 km/h in the late evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northerly 15 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the late afternoon. Winds turning northwesterly 15 to 20 knots in the evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres around midday.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Norah Head.
- Weather
- Mostly sunny day. The chance of a thunderstorm south of Port Stephens this evening.
- Weather Situation
- North to northwesterly winds over Coastal Waters ahead of a vigorous cold front crossing the waters late today into Sunday. Winds turning westerly in behind the front before tending southwesterly to southerly as a high pressure ridge begins to form over the NSW coast. The ridge will persist into the new week.
Swansea Offshore Temperature Statistics View More
September Temperature
Newcastle (Nobbys) (20km)
Lowest 1 September, 2026
10 °CAverage September
19 °CHighest 3 September, 2026
28.8 °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