Treachery Beach Weather Forecast

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Today 12 Oct Mid North Coast

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. The chance of a thunderstorm in the afternoon and early evening. Winds west to northwesterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures 29 to 35.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
North to northwesterly 10 to 15 knots tending north to northeasterly 15 to 20 knots in the middle of the day then tending north to northwesterly in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Stephens by early evening.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
A cold front will bring a fresh to strong and gusty southerly change to the southern waters later Monday which will continue to move north on Tuesday. South to southeasterly winds are expected to ease from Wednesday and gradually turn northerly during the second half of the week, as a high pressure system reaches the Tasman Sea.
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 9 October, 2026

    7.6 °C

  • Average October

    18.8 °C

  • Highest 10 October, 2026

    30.9 °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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