Flat Rock Beach Weather Forecast
- 20
- 30
Partly cloudy
- 20
- 24
Showers
- 17
- 23
Shower or two
- 17
- 25
Partly cloudy
- 18
- 25
Partly cloudy
- 16
- 26
Partly cloudy
- 15
- 30
Sunny
Today 25 Dec Northern Rivers
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding near the Queensland border. Winds southeasterly 25 to 35 km/h turning southerly 15 to 20 km/h in the late evening.
Byron Coastal Waters
Point Danger to Wooli- Wind
- Southerly 15 to 20 knots, reaching up to 30 knots south of Cape Byron in the late afternoon. Winds turning southeasterly in the evening.
- Seas
- 1 to 1.5 metres, increasing to 2 to 2.5 metres south of Cape Byron.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Yamba.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- Fresh to strong southerly winds are prevailing as a strong high pressure system over the Bight extends a ridge over the coastal waters. Winds are forecast to remain southerly into the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea by the weekend.
Flat Rock Beach Temperature Statistics View More
December Temperature
Ballina Airport (4km)
Lowest 3 December, 2025
14.2 °CAverage December
23.5 °CHighest 22 December, 2025
33.1 °C
Climate (2020–Present)
Ballina Airport (4km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
19.6 °CAverage High 2020–2025
24.6 °C