Bournda Island Weather Forecast

    • 10
    • 20

    Sunny

    • 8
    • 17

    Partly cloudy

    • 5
    • 17

    Mostly sunny

    • 7
    • 14

    Shower or two

    • 7
    • 16

    Shower or two

    • 6
    • 17

    Shower or two

    • 6
    • 16

    Partly cloudy

Today 2 Jul South Coast

Medium chance of showers in the early morning. Sunny day. Winds northwest to northeasterly 20 to 30 km/h. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 15 and 20.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
Northerly 20 to 30 knots, reaching up to 35 knots offshore south of Green Cape early in the morning.
Seas
2 to 3 metres.
1st Swell
North to northeasterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Sunny.
Weather Situation
Northwesterly winds are strengthening ahead of a cold front that will cross the state tomorrow. Winds will turn west to southwesterly on Friday following the passage of that cold front. A high pressure system over the Bight will then drift towards Tasmania while a low develops near New Zealand, bringing fresh to strong southerly winds and large, powerful waves to the coastal areas over the weekend and into early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bournda Island Temperature Statistics View More

July Temperature

Merimbula Airport (10km)

  • Lowest 1 July, 2026

    8.9 °C

  • Average July

    10.9 °C

  • Highest

    –

Climate (2021–2026)

Merimbula Airport (10km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.3 °C

  • Average High 2021–2026

    21.2 °C
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