Port Macdonnell Offshore Weather Forecast

    • 13
    • 14

    Partly cloudy

    • 12
    • 13

    Partly cloudy

    • 13
    • 13

    Cloudy

    • 11
    • 14

    Partly cloudy

    • 13
    • 16

    Shower

    • 13
    • 14

    Shower

    • 13
    • 14

    Shower

Today 28 Aug Lower South East

Mostly clear. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southeasterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge is in place over central and eastern parts of the state with a low pressure trough lingering over WA, close to the SA border, until Saturday. Over the weekend, a high pressure system to the south of SA is forecast to continue extending a ridge across the state, as it moves slowly east, to be centred over Victoria by Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge pushes in behind the front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

August Temperature

Mount Gambier Airport (44km)

  • Lowest 1 August, 2026

    0.3 °C
  • Average August

    10.4 °C
  • Highest 17 August, 2026

    19 °C

Climate (2021–2026)

Mount Gambier Airport (44km)

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  • Average Low 2021–2026

    8.9 °C
  • Average 2021–2026

    13.7 °C
  • Average High 2021–2026

    20.1 °C
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