South Neptune Islands Weather Forecast

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    Windy

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    Shower

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Today 29 Aug Lower Eyre Peninsula

Partly cloudy. Medium chance of showers, becoming less likely in the evening. The chance of a thunderstorm near the east coast in the late afternoon and evening. Possible small hail. Winds southwesterly 35 to 50 km/h decreasing to 25 to 35 km/h in the late evening.

Central Coastal Waters

Wind
Southwesterly 25 to 30 knots, reaching up to 35 knots in the evening. Winds turning southerly in the late evening.
Seas
3 to 4 metres.
1st Swell
Southwesterly 5 to 6 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm early this evening. Possible small hail.
Weather Situation
A low pressure system over Bass Strait is responsible for a fresh and cold south to southwesterly flow over South Australia. A high pressure system over southern WA will move slowly eastwards to be over inland South Australia later in the weekend, remaining near-stationary into early next week. A westerly flow will continue for coastal areas on the southern flank of the high pressure system.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Neptune Islands Temperature Statistics View More

August Temperature

Cape Borda (64km)

  • Lowest 8 August, 2025

    5.1 °C

  • Average August

    11.6 °C

  • Highest 22 August, 2025

    17 °C

Climate (2020–Present)

Cape Borda (64km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.9 °C

  • Average High 2020–2025

    18.9 °C
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