Decres Bay Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 4
    • 19

    Mostly sunny

    • 6
    • 23

    Sunny

    • 9
    • 21

    Cloudy

    • 8
    • 22

    Mostly sunny

    • 8
    • 22

    Sunny

    • 9
    • 24

    Sunny

Today 25 Aug West Coast

Mostly clear. Winds south to southwesterly 15 to 25 km/h becoming light in the evening.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southerly 10 to 15 knots decreasing to about 10 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is moving in from the west and will be centred over central SA on Wednesday, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Decres Bay Temperature Statistics View More

August Temperature

Ceduna Airport (9km)

  • Lowest 4 August, 2026

    -1.6 °C

  • Average August

    12 °C

  • Highest 18 August, 2026

    24.7 °C

Climate (2021–2026)

Ceduna Airport (9km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    23.7 °C
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