Treachery Beach Weather Forecast
- 16
- 28
Storm
- 17
- 22
Shower
- 17
- 23
Shower
- 17
- 26
Storm
- 17
- 25
Shower
- 17
- 26
Partly cloudy
- 19
- 30
Shower
Today 20 Nov Mid North Coast
Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the south in the afternoon and evening. Winds northwest to northeasterly 15 to 20 km/h tending east to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures 27 to 34.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northwest to northeasterly 15 to 20 knots, reaching up to 30 knots offshore north of Norah Head in the late morning. Winds tending southeast to southwesterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres offshore.
- 1st Swell
- Northeasterly below 1 metre, increasing to 1 to 1.5 metres south of Port Stephens.
- Weather
- Partly cloudy. The chance of a thunderstorm in the late afternoon and evening.
- Weather Situation
- A high pressure system will direct fresh to strong northeasterly winds along the northern coast today. A trough will also brush the central coasts today, bringing a south to southeasterly wind change to the southern and central coasts, before stalling about Hunter or Mid North Coast on Friday. Winds tending east to northeasterly again over the weekend as another high moves into the Tasman Sea and a trough lingers about the coast.
Treachery Beach Temperature Statistics View More
November Temperature
Taree Airport (62km)
Lowest 13 November, 2025
6.5 °CAverage November
20.2 °CHighest 3 November, 2025
33.2 °C
Climate (2020–Present)
Taree Airport (62km)
Average Low 2020–2025
13 °CAverage 2020–2025
18 °CAverage High 2020–2025
24.1 °C