Bay of Islands Weather Forecast

    • 9
    • 17

    Cloudy

    • 10
    • 21

    Mostly sunny

    • 10
    • 23

    Mostly sunny

    • 13
    • 22

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

Today 27 Dec South East

Cloudy. Light winds.

South East Coastal Waters

Tasman Island to South East Cape
Wind
East to southeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system will pass the south of Tasmania tonight, and reside over Tasman Sea on Sunday and Monday. The high centre is expected to weaken during Tuesday as a trough approaches the west coast slowly during the day, to cross Tasmania in the evening. The trough is then forecast to clear to the northeast during Wednesday while a new ridge of high pressure moves over Tasmania from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bay of Islands Temperature Statistics View More

December Temperature

Cape Bruny (18km)

  • Lowest 25 December, 2025

    5.7 °C

  • Average December

    12.9 °C

  • Highest 4 December, 2025

    24.6 °C

Climate (2020–Present)

Cape Bruny (18km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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