Boat Harbour Weather Forecast

    • 14
    • 21

    Showers

    • 15
    • 22

    Shower or two. Becoming windy

    • 15
    • 23

    Partly cloudy

    • 13
    • 26

    Sunny

    • 13
    • 29

    Sunny

    • 14
    • 23

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 22 Sep Hunter

Cloudy. High chance of showers along the coastal fringe, medium chance elsewhere. Winds east to southeasterly 15 to 25 km/h.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Easterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
Southeasterly winds lie over the coastal waters, fresh and gusty in the northeast. A high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly from Wednesday and freshen along the southern and central coastal waters. A southerly change is forecast to move over the coastal waters from Saturday, tracking north over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boat Harbour Temperature Statistics View More

September Temperature

Williamtown RAAF Base (25km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    17.2 °C

  • Highest 20 September, 2026

    33.2 °C

Climate (2021–2026)

Williamtown RAAF Base (25km)

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  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24 °C
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