Cape Douglas Offshore Weather Forecast

    • 16
    • 16

    Windy

    • 15
    • 16

    Partly cloudy

    • 13
    • 18

    Sunny

    • 18
    • 25

    Partly cloudy

    • 16
    • 16

    Windy

    • 16
    • 20

    Sunny

    • 19
    • 21

    Partly cloudy

Today 21 Jan Lower South East

Partly cloudy. Winds southerly 25 to 40 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 20 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of WA maintains a ridge over western and southern SA, before it is expected to move eastwards on Thursday to be over the Tasman Sea on Friday. A trough of low pressure approaches from the west on Friday, forecast to move over SA during Saturday, reaching the northeast by early Sunday. Another high pressure system is expected to move over waters to the south over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Offshore Temperature Statistics View More

January Temperature

Mount Gambier Airport (43km)

  • Lowest 1 January, 2026

    6.9 °C

  • Average January

    18.8 °C

  • Highest 7 January, 2026

    41.6 °C

Climate (2021–Present)

Mount Gambier Airport (43km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    20 °C
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