Treachery Beach Weather Forecast

    • 10
    • 21

    Shower

    • 11
    • 22

    Shower

    • 11
    • 21

    Shower

    • 11
    • 22

    Sunny

    • 11
    • 24

    Shower

    • 13
    • 22

    Shower

    • 11
    • 20

    Shower

Today 21 Aug Mid North Coast

Partly cloudy. High chance of showers in the south, slight chance elsewhere. Winds northwest to southwesterly 15 to 20 km/h tending northwest to northeasterly in the early afternoon then becoming light in the late afternoon. Daytime maximum temperatures between 16 and 24.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots offshore north of Norah Head in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore south of Port Stephens around midday.
1st Swell
Northeasterly around 1 metre.
Weather
Cloudy. The chance of a thunderstorm offshore north of Norah Head in the afternoon and evening.
Weather Situation
Winds are forecast to ease and generally shift westerly today as a series of cold fronts brush the south. Then, another high pressure system is forecast to move into the Tasman Sea later into the weekend, turning the winds north to northeasterly by Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Treachery Beach Temperature Statistics View More

August Temperature

Taree Airport (62km)

  • Lowest 6 August, 2026

    3.2 °C

  • Average August

    13 °C

  • Highest 3 August, 2026

    23 °C

Climate (2021–2026)

Taree Airport (62km)

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  • Average Low 2021–2026

    13.2 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24.3 °C
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