Cape Douglas Offshore Weather Forecast

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    Shower

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    Shower

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    Shower

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    Shower

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    Shower

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    Cloudy

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    Cloudy

Today 12 Apr Lower South East

Cloudy. Medium chance of light showers, most likely from late this morning. Winds southwesterly 25 to 35 km/h. Daytime maximum temperatures around 17.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots south of Port MacDonnell during the morning.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 4 to 6 metres, decreasing to 4 metres later in the evening.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure system south of WA extends a ridge over South Australia. This high moves slowly east to be south of the Bight by tonight. The high is forecast to hover over SA tomorrow, then weaken and step back to the west on Tuesday allowing a series of fronts to pass over the southeast on Wednesday and Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Douglas Offshore Temperature Statistics View More

April Temperature

Mount Gambier Airport (43km)

  • Lowest 4 April, 2026

    3.6 °C

  • Average April

    14.2 °C

  • Highest 5 April, 2026

    25.3 °C

Climate (2021–Present)

Mount Gambier Airport (43km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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