Port Macdonnell Offshore Weather Forecast

    • 12
    • 13

    Shower

    • 10
    • 13

    Windy

    • 12
    • 13

    Windy

    • 13
    • 13

    Partly cloudy

    • 11
    • 14

    Partly cloudy

    • 12
    • 17

    Partly cloudy

    • 15
    • 17

    Shower

Today 7 Sep Lower South East

Partly cloudy. Slight chance of a shower in the early morning. Winds southwesterly 15 to 25 km/h tending southerly in the early morning then becoming light in the evening. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots south of Beachport early in the morning. Winds tending southerly before dawn then turning east to southeasterly below 10 knots during the afternoon and evening.
Seas
1 to 2 metres, decreasing to 1 metre around midday.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
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 1 September, 2026

    6.9 °C

  • Average September

    12.1 °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

    20.1 °C
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