Riddoch Bay Weather Forecast

    • 12
    • 27

    Mostly sunny

    • 14
    • 29

    Mostly sunny

    • 16
    • 21

    Morning showers

    • 9
    • 21

    Partly cloudy

    • 12
    • 17

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 8
    • 20

    Sunny

Today 30 Mar Mount Gambier

Mostly sunny. Winds northerly 15 to 25 km/h becoming light in the evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore in the late morning and early afternoon. Winds decreasing to about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over New South Wales extends a ridge over South Australia. The ridge will ease as the high moves further away into the Tasman Sea this morning. A trough is forecast to move across the western and central waters Tuesday afternoon and evening, pushing across southeastern coasts Wednesday morning. Another high pressure system is expected to become established south of the Bight later next week.
Graph Plots Open in Graphs
  • 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

    16.1 °C
  • Highest 23 March, 2026

    31.5 °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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