Port Macdonnell Offshore Weather Forecast

    • 14
    • 15

    Windy

    • 14
    • 19

    Shower

    • 13
    • 14

    Shower

    • 12
    • 13

    Shower

    • 12
    • 13

    Cloudy

    • 12
    • 14

    Partly cloudy

    • 12
    • 15

    Cloudy

Today 10 Oct Lower South East

Partly cloudy. Medium chance of showers, becoming less likely in the evening. Winds northwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening then becoming light in the late evening. Daytime maximum temperatures around 19.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots south of Beachport in the late afternoon.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening, then decreasing to 1 metre later in the evening.
1st Swell
Westerly 3 to 4 metres.
Weather
Partly cloudy.
Weather Situation
A trough and cold front cross SA on Sunday and clear to the east by late Monday. A ridge of high pressure will then extend into SA, with the associated high moving into waters south from Tuesday. A trough in the interior of WA will also extend into northern SA at times from Monday until later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

October Temperature

Mount Gambier Airport (44 km)

  • Lowest 7 October, 2026

    2.8 °C
  • Average October

    13 °C
  • Highest 8 October, 2026

    25 °C

Climate (2021–2026)

Mount Gambier Airport (44 km)

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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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