Swansea Offshore Weather Forecast
- 18
- 25
Morning shower or two
- 19
- 21
Partly cloudy
- 19
- 26
Possible shower or storm
- 19
- 20
Showers. Possible storm
- 16
- 17
Shower or two
- 16
- 18
Possible shower
- 16
- 18
Showers
Today 10 Oct Newcastle
Medium chance of showers, becoming less likely in the early afternoon. The chance of a thunderstorm this morning. Mostly sunny afternoon. Winds northwesterly 15 to 25 km/h increasing to 25 to 35 km/h in the middle of the day then turning westerly 15 to 25 km/h in the late afternoon.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northerly 10 to 15 knots, reaching up to 25 knots offshore in the evening. Winds tending northwest to southwesterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres offshore.
- 1st Swell
- Southerly 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Partly cloudy. 80% chance of showers in the morning and early afternoon. The chance of a thunderstorm this morning.
- Weather Situation
- Fresh northerly winds develops across the coastal waters as a trough crosses the coastal waters during today, driving a southerly change along the southern and central coastal waters later. Winds will return northerly again as a weak ridge will establish on Sunday. This will be followed by a series of cold front and troughs crossing the coastal waters, driving a second fresh and gusty southerly change during early next week.
Swansea Offshore Temperature Statistics View More
October Temperature
Newcastle (Nobbys) (20 km)
Lowest 9 October, 2026
11 °CAverage October
17.7 °CHighest 1 October, 2026
27.3 °C
Climate (2021–2026)
Newcastle (Nobbys) (20 km)
Average Low 2021–2026
15.5 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
22.4 °C