Port Macdonnell Offshore Weather Forecast

    • 12
    • 13

    Cloudy

    • 11
    • 14

    Partly cloudy

    • 12
    • 17

    Partly cloudy

    • 15
    • 17

    Shower

    • 14
    • 16

    Shower

    • 12
    • 13

    Shower

    • 12
    • 12

    Cloudy

Today 10 Sep Lower South East

Mostly sunny. The chance of morning frost in the north. Light winds becoming southerly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southeast to southwesterly 10 to 15 knots tending southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloud clearing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

September Temperature

Mount Gambier Airport (44km)

  • Lowest 8 September, 2026

    0.3 °C

  • Average September

    11.1 °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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