Joass Island Weather Forecast

    • 17
    • 31

    Cloudy

    • 18
    • 30

    Possible shower

    • 17
    • 30

    Possible morning shower

    • 14
    • 30

    Sunny

    • 14
    • 29

    Partly cloudy

    • 15
    • 23

    Shower or two

    • 11
    • 23

    Partly cloudy

Today 8 Oct Hunter

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds northwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northerly 15 to 20 knots, reaching up to 30 knots offshore in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Norah Head.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Stephens.
Weather
Cloudy. The chance of a thunderstorm in the evening.
Weather Situation
North to northwesterly winds are forecast to prevail over New South Wales coast most of the week, apart from brief incursions of southerly or westerly winds to the southern and central coastal waters due to mobile troughs, as a high pressure ridge extends from the Tasman Sea to the far north coast while a series of cold fronts skims to the south through the week.
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  • Temperature Forecast Bureau of Meteorology

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Joass Island Temperature Statistics View More

October Temperature

Williamtown RAAF Base (17km)

  • Lowest 2 October, 2025

    6.9 °C
  • Average October

    18.5 °C
  • Highest 6 October, 2025

    35.6 °C

Climate (2020–Present)

Williamtown RAAF Base (17km)

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  • Average Low 2020–2025

    13.3 °C
  • Average 2020–2025

    18 °C
  • Average High 2020–2025

    23.6 °C
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