Port Macdonnell Offshore Weather Forecast

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Today 24 May Lower South East

Cloudy. Very high chance of showers. Winds northeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 18.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres north of Port MacDonnell.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A cold front will stall over central SA today as a low pressure system develops near Kangaroo Island. The low is expected to move north over the Eyre Peninsula early in the week, weakening as it moves into NSW. A trough may linger near the southern coasts before weak ridge of high pressure begins to move across SA later in the week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

May Temperature

Mount Gambier Airport (44km)

  • Lowest 22 May, 2026

    3.2 °C
  • Average May

    13.5 °C
  • Highest 1 May, 2026

    28.5 °C

Climate (2021–Present)

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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