Port Macdonnell Offshore Weather Forecast

    • 14
    • 16

    Partly cloudy

    • 11
    • 16

    Partly cloudy

    • 13
    • 16

    Cloudy

    • 13
    • 15

    Shower

    • 14
    • 15

    Shower

    • 14
    • 15

    Shower

    • 14
    • 16

    Shower

Today 21 May Lower South East

Cloudy. Patchy morning fog. Light winds. Daytime maximum temperatures around 18.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly below 10 knots tending northerly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
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 7 May, 2026

    5.5 °C

  • Average May

    13.9 °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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