Decres Bay Weather Forecast

    • 8
    • 27

    Clear

    • 9
    • 20

    Possible shower

    • 9
    • 18

    Cloudy

    • 8
    • 19

    Shower or two

    • 10
    • 19

    Partly cloudy

    • 5
    • 19

    Mostly sunny

    • 5
    • 21

    Sunny

Today 18 Sep West Coast

Clear. Winds west to southwesterly 20 to 30 km/h tending south to southwesterly 15 to 25 km/h in the evening.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Clear.
Weather Situation
A high pressure system lies over the Tasman Sea with a ridge extending into the east of the state. A weak trough over South Australian waters will continue moving through eastern waters tonight. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
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  • Temperature Forecast Bureau of Meteorology

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Decres Bay Temperature Statistics View More

September Temperature

Ceduna Airport (9km)

  • Lowest 1 September, 2025

    1 °C

  • Average September

    14.9 °C

  • Highest 6 September, 2025

    33 °C

Climate (2020–Present)

Ceduna Airport (9km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.8 °C
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