Cape Douglas Offshore Weather Forecast

    • 12
    • 13

    Windy

    • 12
    • 12

    Cloudy

    • 12
    • 13

    Cloudy

    • 10
    • 16

    Windy

    • 15
    • 18

    Sunny

    • 16
    • 16

    Shower

    • 13
    • 14

    Cloudy

Today 15 Sep Lower South East

Cloudy. Slight chance of a shower. Winds southwesterly 25 to 35 km/h turning southerly in the early afternoon then decreasing to 15 to 25 km/h in the evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching around 15.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots south of Port MacDonnell during the morning and early afternoon. Winds turning southerly 15 to 25 knots in the afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Offshore Temperature Statistics View More

September Temperature

Mount Gambier Airport (43km)

  • Lowest 8 September, 2026

    0.3 °C

  • Average September

    11.6 °C

  • Highest 12 September, 2026

    21.8 °C

Climate (2021–2026)

Mount Gambier Airport (43km)

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

  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
Get WillyWeather+ to remove ads