Riddoch Bay Weather Forecast

    • 11
    • 19

    Cloudy

    • 8
    • 22

    Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 13
    • 22

    Shower or two

    • 12
    • 21

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 12
    • 22

    Partly cloudy

Today 13 Mar Mount Gambier

Cloudy. Light winds becoming southeasterly 15 to 25 km/h in the morning then becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
South to southeasterly 15 to 20 knots tending east to southeasterly during the day.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather
Cloudy.
Weather Situation
A ridge of high pressure extends from a high south of Perth, across waters well south of SA. The high slowly moves eastwards to be centred well south of the Bight later today and over the Tasman Sea by Saturday afternoon, with further high pressure systems building well south of the Bight. A trough over inland WA is expected to move across western SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

March Temperature

Mount Gambier Airport (33km)

  • Lowest 10 March, 2026

    7.2 °C
  • Average March

    16.5 °C
  • Highest 10 March, 2026

    30.4 °C

Climate (2021–Present)

Mount Gambier Airport (33km)

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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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