Sinclair Island Weather Forecast

    • 12
    • 15

    Partly cloudy

    • 13
    • 18

    Shower

    • 14
    • 16

    Partly cloudy

    • 14
    • 15

    Cloudy

    • 14
    • 15

    Partly cloudy

    • 13
    • 15

    Partly cloudy

    • 13
    • 17

    Partly cloudy

Today 17 Aug West Coast

Partly cloudy. The chance of morning fog west of Ceduna. Medium chance of showers south of Streaky Bay, slight chance elsewhere. Light winds becoming northeasterly 15 to 25 km/h in the morning. Overnight temperatures falling to around 6 with daytime temperatures reaching between 17 and 20.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming east to northeasterly 10 to 15 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sinclair Island Temperature Statistics View More

August Temperature

Ceduna Airport (66km)

  • Lowest 4 August, 2026

    -1.6 °C

  • Average August

    11.7 °C

  • Highest 8 August, 2026

    21.1 °C

Climate (2021–2026)

Ceduna Airport (66km)

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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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