Port Macdonnell Offshore Weather Forecast

    • 13
    • 14

    Shower

    • 13
    • 13

    Shower

    • 11
    • 13

    Cloudy

    • 12
    • 13

    Windy

    • 12
    • 13

    Partly cloudy

    • 11
    • 14

    Partly cloudy

    • 13
    • 17

    Partly cloudy

Today 6 Sep Lower South East

Cloudy. Medium chance of showers, most likely at night. Winds west to southwesterly 15 to 25 km/h becoming light in the late afternoon then becoming west to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly 15 to 20 knots.
Seas
1.5 to 2 metres, decreasing to 1 metre during the morning.
1st Swell
Westerly 3 to 4 metres.
Weather
Cloudy. 50% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

September Temperature

Mount Gambier Airport (44km)

  • Lowest 1 September, 2026

    6.9 °C

  • Average September

    12.3 °C

  • Highest 1 September, 2026

    18.3 °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 °C
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