Port Macdonnell Offshore Weather Forecast

    • 13
    • 14

    Shower

    • 11
    • 14

    Shower

    • 12
    • 14

    Shower

    • 14
    • 14

    Shower

    • 13
    • 14

    Shower

    • 12
    • 13

    Shower

    • 12
    • 13

    Shower

Today 10 Aug Lower South East

Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds south to southwesterly 25 to 40 km/h turning westerly 15 to 20 km/h in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 15 to 25 knots, reaching up to 30 knots north of Beachport during the morning. Winds turning west to southwesterly 15 to 20 knots in the late morning and early afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.
Weather
Cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

August Temperature

Mount Gambier Airport (44km)

  • Lowest 1 August, 2026

    0.3 °C

  • Average August

    9.4 °C

  • Highest 2 August, 2026

    15.7 °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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