Flat Island Weather Forecast
- 15
- 30
Partly cloudy
- 17
- 29
Shower or two
- 15
- 30
Sunny
- 13
- 30
Sunny
- 14
- 27
Partly cloudy
- 12
- 22
Shower or two
- 11
- 24
Partly cloudy
Today 8 Oct Newcastle
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds northerly 15 to 25 km/h turning northwesterly in the evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Norah Head.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Stephens.
- Weather
- Cloudy. The chance of a thunderstorm in the evening.
- Weather Situation
- North to northwesterly winds are forecast to prevail over New South Wales coast most of the week, apart from brief incursions of southerly or westerly winds to the southern and central coastal waters due to mobile troughs, as a high pressure ridge extends from the Tasman Sea to the far north coast while a series of cold fronts skims to the south through the week.
Flat Island Temperature Statistics View More
October Temperature
Norah Head (12km)
Lowest 3 October, 2025
12.3 °CAverage October
18.9 °CHighest 6 October, 2025
27.8 °C
Climate (2020–Present)
Norah Head (12km)
Average Low 2020–2025
15.4 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23 °C