Port Macdonnell Offshore Weather Forecast

    • 15
    • 16

    Cloudy

    • 13
    • 16

    Cloudy

    • 15
    • 18

    Shower

    • 14
    • 15

    Windy

    • 13
    • 14

    Shower

    • 14
    • 15

    Shower

    • 15
    • 16

    Shower

Today 7 Apr Lower South East

Cloudy. Winds southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 19.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southwesterly 10 to 15 knots decreasing to below 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A high-pressure system south of the state will move east on Wednesday allowing a strong cold front to move over South Australia later Thursday. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Macdonnell Offshore Temperature Statistics View More

April Temperature

Mount Gambier Airport (44km)

  • Lowest 4 April, 2026

    3.6 °C

  • Average April

    14.7 °C

  • Highest 5 April, 2026

    25.3 °C

Climate (2021–Present)

Mount Gambier Airport (44km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
Get WillyWeather+ to remove ads