Port Macdonnell Offshore Weather Forecast

    • 15
    • 16

    Partly cloudy

    • 15
    • 18

    Sunny

    • 17
    • 22

    Partly cloudy

    • 16
    • 17

    Partly cloudy

    • 17
    • 18

    Shower

    • 15
    • 16

    Shower

    • 14
    • 15

    Cloudy

Today 5 Jan Lower South East

Sunny. Winds south to southeasterly 15 to 20 km/h tending south to southwesterly 25 to 35 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 23 to 31.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the late afternoon then becoming east to southeasterly about 10 knots in the late evening.
Seas
Below 0.5 metres, increasing to below 1 metre north of Port MacDonnell.
1st Swell
Southwesterly 1.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system centred south of SA extends a ridge over the west of the state and a broad trough lingers over the far northeast. The high will move eastwards early this week and a broad trough will move across from the west in the middle of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

January Temperature

Mount Gambier Airport (44km)

  • Lowest 1 January, 2026

    6.9 °C

  • Average January

    16.2 °C

  • Highest 2 January, 2026

    27 °C

Climate (2021–Present)

Mount Gambier Airport (44km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.9 °C
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