Northwest Rock Weather Forecast
- 18
- 23
Partly cloudy
- 19
- 21
Partly cloudy
- 19
- 22
Partly cloudy
- 19
- 23
Shower
- 17
- 20
Sunny
- 17
- 20
Shower
- 16
- 19
Shower
Today 17 Sep Mid North Coast
Partly cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm. Winds west to northwesterly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures 23 to 29.
Coffs Coastal Waters
Wooli to Smoky Cape- Wind
- Northerly 15 to 20 knots, reaching up to 30 knots offshore during the morning. Winds tending northwest to southwesterly 10 to 15 knots in the late evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing below 1 metre later in the evening.
- 1st Swell
- East to northeasterly below 1 metre inshore, increasing to around 1 metre offshore during the afternoon.
- Weather
- Sunny morning. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A front and its associated trough crossing the state has brought a west to southwesterly change to southern and central coastal waters. 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.
Northwest Rock Temperature Statistics View More
September Temperature
Grafton Airport (38km)
Lowest 12 September, 2025
6.1 °CAverage September
15.5 °CHighest 15 September, 2025
26.4 °C
Climate (2020–Present)
Grafton Airport (38km)
Average Low 2020–2025
13.1 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
25.9 °C