Bay of Islands Weather Forecast

    • 8
    • 18

    Clear

    • 8
    • 22

    Mostly sunny

    • 11
    • 20

    Shower or two

    • 9
    • 15

    Showers. Becoming windy

    • 7
    • 15

    Shower or two. Windy

    • 8
    • 19

    Cloudy

    • 9
    • 21

    Mostly sunny

Today 11 Dec South East

Sunny. Winds northwest to southwesterly 15 to 20 km/h tending southeast to southwesterly in the middle of the day then tending northeast to southeasterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures between 17 and 22.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 10 to 15 knots, reaching up to 20 knots inshore in the late morning and early afternoon. Winds becoming variable about 10 knots in the evening then becoming north to northeasterly 10 to 15 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is expected to move over the state today and continue moving eastwards over the Tasman Sea during Friday. A cold front is then forecast to cross the state during Saturday
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bay of Islands Temperature Statistics View More

December Temperature

Cape Bruny (18km)

  • Lowest 7 December, 2025

    6.9 °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

    9.6 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    16.5 °C
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