Flat Island Weather Forecast
- 17
- 33
Partly cloudy
- 17
- 26
Sunny
- 10
- 23
Partly cloudy
- 9
- 22
Sunny
- 10
- 23
Sunny
- 11
- 25
Sunny
- 12
- 25
Sunny
Today 10 Apr Newcastle
Partly cloudy. Slight chance of a shower. Winds north to northwesterly 25 to 35 km/h becoming light in the late evening.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northerly 15 to 20 knots, reaching up to 30 knots offshore during the day.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
- 1st Swell
- Easterly around 1 metre, increasing to 1 to 1.5 metres south of Port Stephens during the morning.
- Weather
- Mostly sunny. The chance of a thunderstorm inshore in the late morning and afternoon.
Flat Island Temperature Statistics View More
April Temperature
Norah Head (12km)
Lowest 6 April, 2026
15 °CAverage April
21.1 °CHighest 7 April, 2026
28.6 °C
Climate (2021–Present)
Norah Head (12km)
Average Low 2021–2026
15.5 °CAverage 2021–2026
18.7 °CAverage High 2021–2026
23.1 °C