Decres Bay Weather Forecast

    • 7
    • 21

    Partly cloudy

    • 9
    • 20

    Shower or two

    • 9
    • 22

    Partly cloudy

    • 8
    • 22

    Partly cloudy

    • 8
    • 26

    Mostly sunny

    • 13
    • 33

    Possible late shower

    • 14
    • 23

    Showers

Today 3 Oct West Coast

Partly cloudy. Medium chance of showers west of Nullarbor, near zero chance elsewhere. Winds southeasterly 15 to 25 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure lies over SA while a near stationary trough lies near there the WA border. The trough will weaken early next week while a cold front moves across the Southern Ocean and over southeast Australia on Tuesday. A high pressure system quickly moves into the Bight mid next week, maintaining the ridge over SA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

October Temperature

Ceduna Airport (9km)

  • Lowest 2 October, 2026

    12.7 °C

  • Average October

    16.1 °C

  • Highest 1 October, 2026

    20.6 °C

Climate (2021–2026)

Ceduna Airport (9km)

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  • Average Low 2021–2026

    10.9 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.7 °C
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