Treachery Beach Weather Forecast

    • 15
    • 22

    Windy

    • 16
    • 23

    Windy

    • 14
    • 25

    Windy

    • 14
    • 27

    Sunny

    • 15
    • 22

    Shower

    • 14
    • 21

    Shower

    • 13
    • 21

    Partly cloudy

Today 23 Sep Mid North Coast

Cloudy. Slight chance of a shower. The chance of a thunderstorm inland early this evening. Winds northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southerly 10 to 15 knots inshore, shifting northeasterly offshore and increasing to 20 to 25 knots, and reaching up to 30 knots during the late afternoon.
Seas
2 to 2.5 metres.
1st Swell
Southerly 1.5 to 2 metres.
Weather
Cloudy.
Caution
Surf conditions for the rest of the day may be more powerful than they appear and are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
Weather Situation
A high pressure system over the Tasman Sea directs and east to northeasterly flow through the coastal waters. Winds will freshen and tend more north to northeasterly on Thursday and Friday as the high slips further to to the east. A cold front and trough will then enter the Tasman Sea, bring a southerly change which will gradually track northward through the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Treachery Beach Temperature Statistics View More

September Temperature

Taree Airport (62km)

  • Lowest 19 September, 2026

    5.1 °C

  • Average September

    17 °C

  • Highest 21 September, 2026

    34.8 °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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