Sinclair Island Weather Forecast

    • 20
    • 21

    Partly cloudy

    • 20
    • 23

    Windy

    • 21
    • 21

    Partly cloudy

    • 18
    • 18

    Partly cloudy

    • 18
    • 19

    Partly cloudy

    • 17
    • 19

    Cloudy

    • 18
    • 21

    Sunny

Today 10 Dec West Coast

Mostly clear. The chance of a thunderstorm. Winds southeasterly 20 to 30 km/h.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Southeasterly 20 to 25 knots, reaching up to 30 knots south of Streaky Bay.
Seas
2 metres.
1st Swell
Southwesterly 2 metres.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A ridge of high pressure persists over southern SA, continuing into Thursday before the high centre moves eastwards over the Tasman Sea late Thursday. A trough of low pressure is expected to move eastwards across the SA waters on Friday. Another ridge of high pressure will move over the south during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sinclair Island Temperature Statistics View More

December Temperature

Ceduna Airport (66km)

  • Lowest 8 December, 2025

    6.4 °C

  • Average December

    20.4 °C

  • Highest 3 December, 2025

    38.2 °C

Climate (2020–Present)

Ceduna Airport (66km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.7 °C
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