Shag Rock Weather Forecast
- 13
- 25
Clear
- 15
- 28
Sunny
- 16
- 24
Partly cloudy
- 15
- 26
Partly cloudy
- 16
- 27
Showers easing
- 14
- 24
Mostly sunny
- 13
- 24
Shower or two
Today 16 Sep Northern Rivers
Clear. Winds northerly 15 to 25 km/h becoming light in the late evening.
Byron Coastal Waters
Point Danger to Wooli- Wind
- Northerly 15 to 20 knots, reaching up to 30 knots south of Cape Byron in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cape Byron.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly clear.
- Weather Situation
- A front and its associated trough crossing the state will bring a west to southwesterly change to southern and central coastal waters later today through Wednesday, before the front moves away to the Tasman Sea and the trough continues crossing the northern coastal waters on Wednesday. Then, a ridge of high pressure will drift across the coastal waters midweek ahead of the second cold front that looks set to cross the coast on Saturday.
Shag Rock Temperature Statistics View More
September Temperature
Ballina Airport (5km)
Lowest 15 September, 2025
8.7 °CAverage September
16.8 °CHighest 9 September, 2025
27.4 °C
Climate (2020–Present)
Ballina Airport (5km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
19.6 °CAverage High 2020–2025
24.6 °C