Treachery Beach Weather Forecast
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Storm
- 18
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Storm
- 18
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Storm
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Storm
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Shower
- 18
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Shower
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Shower
Today 15 Jan Mid North Coast
Partly cloudy. Very high chance of showers, most likely late this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the south. Light winds becoming northeasterly 20 to 30 km/h in the morning. Daytime maximum temperatures in the mid to high 20s.
Hunter Coastal Waters
Seal Rocks to Broken Bay- Wind
- Northeasterly 15 to 20 knots increasing to 20 to 25 knots in the early afternoon. Winds reaching up to 30 knots offshore south of Norah Head in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Stephens.
- Weather
- Partly cloudy. 80% chance of showers. A thunderstorm likely during this afternoon and evening.
- Weather Situation
- A weak ridge lies over the New South Wales coast, maintaining an onshore east to northeasterly airstream. Winds will increase fresh to strong on Thursday, before a trough enters the south coast and develops into a low pressure system on Friday, bringing strong to gale force southeasterly winds in its wake as it tracks north. Then, a high pressure system will move into the south Tasman Sea, maintaining fresh to strong southeasterly winds over coastal waters.
Treachery Beach Temperature Statistics View More
January Temperature
Taree Airport (62km)
Lowest 3 January, 2026
15.9 °CAverage January
23.2 °CHighest 10 January, 2026
37.4 °C
Climate (2021–Present)
Taree Airport (62km)
Average Low 2021–2026
13 °CAverage 2021–2026
18 °CAverage High 2021–2026
24.1 °C