Treachery Beach Weather Forecast

    • 9
    • 23

    Sunny

    • 15
    • 29

    Shower

    • 16
    • 27

    Partly cloudy

    • 17
    • 31

    Shower

    • 18
    • 25

    Storm

    • 14
    • 21

    Shower

    • 12
    • 21

    Shower

Today 9 Oct Mid North Coast

Mostly sunny. The chance of a thunderstorm about higher ground in the afternoon and early evening. Winds northwest to southwesterly 15 to 20 km/h tending northeast to southeasterly in the middle of the day then tending northwest to northeasterly in the evening. Daytime maximum temperatures 24 to 29.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Variable about 10 knots becoming northeasterly 15 to 20 knots in the early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon, increasing to 1 to 1.5 metres south of Port Stephens by early evening.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system passing to the south of the state extends a weak ridge over the coastal waters today. Winds will turn northerly ahead of the next cold front which will drive a southerly change along the coastal waters during Saturday, weakening and reaching the north coast on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Treachery Beach Temperature Statistics View More

October Temperature

Taree Airport (62 km)

  • Lowest 1 October, 2026

    9.2 °C

  • Average October

    18.5 °C

  • Highest 2 October, 2026

    28.9 °C

Climate (2021–2026)

Taree Airport (62 km)

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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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