Cape Douglas Offshore Weather Forecast

    • 14
    • 14

    Partly cloudy

    • 11
    • 16

    Shower

    • 13
    • 16

    Storm

    • 12
    • 13

    Shower

    • 13
    • 14

    Cloudy

    • 13
    • 16

    Shower

    • 13
    • 14

    Shower

Today 20 Oct Lower South East

Partly cloudy. The chance of a thunderstorm in the north later tonight. Winds southwesterly 15 to 20 km/h becoming light in the late afternoon.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots, reaching up to 20 knots south of Port MacDonnell during the afternoon and evening.
Seas
1 to 1.5 metres, decreasing below 1 metre later in the evening.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Partly cloudy.
Weather Situation
A weak ridge extends over coastal waters Monday. A low pressure system and associated cold front will move over coastal waters on Tuesday and Wednesday, reaching the Tasman Sea late on Wednesday. In the wake of this system, a high pressure system will move into the Bight on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Offshore Temperature Statistics View More

October Temperature

Mount Gambier Airport (43km)

  • Lowest 13 October, 2025

    4.3 °C

  • Average October

    13.1 °C

  • Highest 16 October, 2025

    24.7 °C

Climate (2020–Present)

Mount Gambier Airport (43km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.7 °C

  • Average High 2020–2025

    20 °C
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