Cape Douglas Offshore Weather Forecast

    • 14
    • 15

    Windy

    • 15
    • 15

    Cloudy

    • 13
    • 14

    Cloudy

    • 14
    • 15

    Windy

    • 13
    • 17

    Partly cloudy

    • 16
    • 20

    Sunny

    • 18
    • 20

    Partly cloudy

Today 23 Dec Lower South East

Cloudy. Winds west to southwesterly 20 to 30 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 2 metres south of Beachport.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast on Wednesday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Offshore Temperature Statistics View More

December Temperature

Mount Gambier Airport (43km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15.9 °C

  • Highest 18 December, 2025

    38.9 °C

Climate (2020–Present)

Mount Gambier Airport (43km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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