Sinclair Island Weather Forecast

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Today 11 Jun West Coast

Partly cloudy. Very high chance of showers west of Nullarbor, medium chance elsewhere. The chance of a thunderstorm west of Nullarbor late this afternoon and evening. Winds northeasterly 15 to 25 km/h. Daytime maximum temperatures in the low 20s.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
Northeasterly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres around midday.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A ridge of high pressure builds over the state ahead of a new cold front approaching from the west. The cold front will move across the Bight on Friday with a weak high pressure system developing over southern Australia over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sinclair Island Temperature Statistics View More

June Temperature

Ceduna Airport (66km)

  • Lowest 6 June, 2026

    2.6 °C

  • Average June

    13.5 °C

  • Highest 1 June, 2026

    23.9 °C

Climate (2021–Present)

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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