Bournda Island Weather Forecast

    • 12
    • 25

    Mostly clear

    • 14
    • 25

    Mostly sunny

    • 12
    • 22

    Possible shower developing

    • 14
    • 20

    Possible shower

    • 13
    • 22

    Shower or two

    • 14
    • 26

    Shower or two

    • 15
    • 25

    Possible shower

Today 8 Dec South Coast

Mostly sunny. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 25 to 31.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Merimbula during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres north of Green Cape.
1st Swell
Northeasterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A ridge builds over coastal areas in the wake of a front. Winds are turning north to northeasterly as the ridge moves further east today, before a trough brushes central and southern parts of the coast on Tuesday and Wednesday, bringing a southerly change with it. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bournda Island Temperature Statistics View More

December Temperature

Merimbula Airport (10km)

  • Lowest 1 December, 2025

    5.8 °C

  • Average December

    16.6 °C

  • Highest 4 December, 2025

    29.5 °C

Climate (2020–Present)

Merimbula Airport (10km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.3 °C

  • Average High 2020–2025

    21 °C
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