Bournda Island Weather Forecast

    • 10
    • 23

    Mostly sunny

    • 9
    • 23

    Sunny

    • 5
    • 19

    Partly cloudy

    • 8
    • 25

    Shower or two

    • 9
    • 21

    Sunny

    • 7
    • 21

    Partly cloudy

    • 6
    • 21

    Possible shower

Today 2 Sep South Coast

Mostly sunny day. Slight chance of a shower at night. Winds northwest to southwesterly 20 to 30 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then tending northwest to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures 21 to 26.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Merimbula during the morning. Winds tending southeast to southwesterly in the middle of the day then tending east to southeasterly in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southerly around 1 metre, increasing to 1 to 1.5 metres south of Merimbula during the afternoon.
Weather
Mostly sunny.
Weather Situation
North to northwesterly winds will fresh from today freshen ahead of a trough and associated cold front crossing the coastal waters during Thursday, driving west to southwesterly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bournda Island Temperature Statistics View More

September Temperature

Merimbula Airport (10km)

  • Lowest 1 September, 2026

    5.7 °C

  • Average September

    10.3 °C

  • Highest

    –

Climate (2021–2026)

Merimbula Airport (10km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    21.2 °C
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