Decres Bay Weather Forecast

    • 3
    • 19

    Mostly sunny

    • 6
    • 23

    Sunny

    • 9
    • 22

    Partly cloudy

    • 9
    • 22

    Mostly sunny

    • 7
    • 22

    Mostly sunny

    • 8
    • 24

    Sunny

    • 12
    • 25

    Partly cloudy

Today 26 Aug West Coast

Mostly sunny. The chance of fog and frost east of Ceduna this morning. Winds northeasterly 15 to 25 km/h tending northerly 20 to 30 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 17 and 21.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northeasterly about 10 knots increasing to 10 to 15 knots in the morning then becoming variable about 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is centred over central SA, 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

    12.1 °C

  • Highest 18 August, 2026

    24.7 °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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