Cape Douglas Offshore Weather Forecast

    • 15
    • 16

    Shower

    • 14
    • 15

    Shower

    • 14
    • 14

    Rain

    • 13
    • 13

    Shower

    • 12
    • 12

    Partly cloudy

    • 10
    • 13

    Shower

    • 13
    • 13

    Shower

Today 30 Sep Lower South East

Cloudy. High chance of rain. The chance of a thunderstorm later this evening. Winds west to northwesterly 15 to 20 km/h becoming light in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
West to northwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Cloudy. 50% chance of showers. The chance of a thunderstorm later this evening.
Weather Situation
A series of troughs over SA will slowly move east ahead of a high pressure system that moves into the Bight on Friday. A cold front moving across the Southern Ocean will clip the far southeast late Thursday, with a low pressure system developing near the Victorian border on Friday. Another trough near the WA border is expected to develop on Saturday.
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 22 September, 2026

    -0.3 °C

  • Average September

    11.9 °C

  • Highest 19 September, 2026

    25.8 °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

    20.1 °C
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