Swansea Channel - Coon Island Weather Forecast

    • 16
    • 24

    Showers. Storm developing

    • 14
    • 29

    Shower or two

    • 17
    • 35

    Possible shower

    • 17
    • 23

    Shower or two

    • 16
    • 23

    Cloudy

    • 15
    • 27

    Partly cloudy

    • 14
    • 30

    Sunny

Today 12 Dec Newcastle

Partly cloudy. High chance of showers, becoming less likely this evening. A thunderstorm likely during the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming easterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
East to northeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Weather Situation
Winds will tend east to northeasterly later today as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. A fresh to strong southerly change is expected during Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swansea Channel - Coon Island Temperature Statistics View More

December Temperature

Lake Macquarie (Cooranbong) (16km)

  • Lowest 1 December, 2025

    9.2 °C

  • Average December

    22 °C

  • Highest 6 December, 2025

    40.6 °C

Climate (2020–Present)

Lake Macquarie (Cooranbong) (16km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    23.8 °C
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