Cape Douglas Offshore Weather Forecast

    • 14
    • 15

    Windy

    • 13
    • 14

    Shower

    • 13
    • 13

    Shower

    • 11
    • 13

    Cloudy

    • 12
    • 13

    Windy

    • 12
    • 13

    Partly cloudy

    • 10
    • 14

    Partly cloudy

Today 5 Sep Lower South East

Partly cloudy. Slight chance of a shower near the coast, near zero chance elsewhere. Winds west to southwesterly 20 to 30 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly 4 metres.
Weather
Partly cloudy.
Weather Situation
A trough and cold front moved across SA early on Saturday and will continue to move away to the east overnight. A ridge of high pressure will follow and move over SA overnight and on Sunday. Another cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
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 1 September, 2026

    6.9 °C

  • Average September

    11.5 °C

  • Highest 1 September, 2026

    18.3 °C

Climate (2021–2026)

Mount Gambier Airport (43km)

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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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