Sinclair Island Weather Forecast

    • 12
    • 16

    Shower

    • 13
    • 16

    Shower

    • 14
    • 15

    Cloudy

    • 13
    • 15

    Cloudy

    • 13
    • 15

    Shower

    • 12
    • 15

    Partly cloudy

    • 12
    • 15

    Partly cloudy

Today 11 Aug West Coast

Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds northerly 25 to 35 km/h shifting west to southwesterly 25 to 40 km/h in the early afternoon. Overnight temperatures falling to around 6 with daytime temperatures reaching between 14 and 19.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
North to northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds shifting southwesterly 20 to 25 knots in the early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 2 to 4 metres inshore.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm south of Streaky Bay in the late morning and afternoon.
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

    11.8 °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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