Port Macdonnell Offshore Weather Forecast

    • 14
    • 15

    Clear

    • 14
    • 15

    Windy

    • 14
    • 17

    Partly cloudy

    • 14
    • 15

    Cloudy

    • 14
    • 15

    Shower

    • 13
    • 14

    Cloudy

    • 13
    • 15

    Partly cloudy

Today 10 Dec Lower South East

Clear. Winds southeasterly 15 to 25 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Port MacDonnell by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Clear.
Weather Situation
A ridge of high pressure persists over southern SA, continuing into Thursday before the high centre moves eastwards over the Tasman Sea late Thursday. A trough of low pressure is expected to move eastwards across the SA waters on Friday. Another ridge of high pressure will move over the south during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

December Temperature

Mount Gambier Airport (44km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    14.7 °C

  • Highest 3 December, 2025

    28.6 °C

Climate (2020–Present)

Mount Gambier Airport (44km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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