Riddoch Bay Weather Forecast

    • 8
    • 21

    Mostly sunny

    • 14
    • 22

    Showers increasing

    • 10
    • 15

    Showers. Becoming windy

    • 8
    • 16

    Shower or two

    • 6
    • 21

    Sunny day. Shower or two

    • 8
    • 17

    Showers

    • 6
    • 13

    Showers

Today 14 Sep Mount Gambier

Mostly sunny. Winds northerly 25 to 35 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 20 to 25 knots, reaching up to 30 knots during the day.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres around midday.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea will maintain a north to northwesterly airstream across coastal waters. A cold front will move across coastal waters on Monday, followed by another high pressure system on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Riddoch Bay Temperature Statistics View More

September Temperature

Mount Gambier Airport (33km)

  • Lowest 5 September, 2025

    -0.2 °C

  • Average September

    10.8 °C

  • Highest 7 September, 2025

    21.5 °C

Climate (2020–Present)

Mount Gambier Airport (33km)

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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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