Port Macdonnell Offshore Weather Forecast

    • 14
    • 14

    Windy

    • 14
    • 15

    Cloudy

    • 12
    • 15

    Cloudy

    • 9
    • 13

    Cloudy

    • 9
    • 14

    Cloudy

    • 10
    • 15

    Partly cloudy

    • 12
    • 15

    Shower

Today 14 Jul Lower South East

Partly cloudy. Slight chance of a shower, becoming less likely in the afternoon. Winds southwesterly 25 to 35 km/h tending west to southwesterly 15 to 20 km/h in the late afternoon then becoming light in the late evening. Daytime maximum temperatures around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots south of Beachport in the late morning.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure lies over northern SA. A strong high pressure system will move east mid week, dominating the weather pattern until at least Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

July Temperature

Mount Gambier Airport (44km)

  • Lowest 7 July, 2026

    -1.1 °C

  • Average July

    9.1 °C

  • Highest 1 July, 2026

    16.7 °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 °C
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