Bournda Lagoon Entrance Weather Forecast

    • 8
    • 22

    Sunny

    • 12
    • 30

    Mostly sunny

    • 16
    • 26

    Partly cloudy

    • 14
    • 29

    Shower or two

    • 12
    • 22

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 13
    • 26

    Mostly sunny

Today 3 Dec South Coast

Sunny. Patches of frost and the chance of fog about the coastal ranges in the early morning. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching the low to high 20s.

Eden Coastal Waters

Montague Island to Gabo Island
Wind
Northwest to southwesterly 10 to 15 knots tending northerly in the morning. Winds reaching up to 20 knots south of Merimbula in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny.
Weather Situation
Winds should gradually ease and turn northerly as a high pressure system drifts across the state, entering the Tasman Sea midweek. Then, another trough is forecast to enter the state's far west on Friday ahead of a cold front crossing the state during the weekend, bringing a southerly wind change over coastal waters in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Bournda Lagoon Entrance Temperature Statistics View More

December Temperature

Merimbula Airport (10km)

  • Lowest 1 December, 2025

    5.8 °C

  • Average December

    12.8 °C

  • Highest 1 December, 2025

    19.7 °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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