Sudden Jerk Island Weather Forecast

    • 15
    • 27

    Mostly sunny

    • 16
    • 23

    Cloud clearing

    • 15
    • 26

    Mostly sunny

    • 17
    • 26

    Partly cloudy

    • 17
    • 24

    Possible shower

    • 14
    • 22

    Partly cloudy

    • 14
    • 22

    Partly cloudy

Today 21 Apr Lower Eyre Peninsula

Mostly sunny. Winds northeasterly 15 to 20 km/h turning northwesterly 25 to 40 km/h in the middle of the day then tending northerly 20 to 30 km/h in the late afternoon. Daytime maximum temperatures in the low 30s.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Northeasterly 10 to 15 knots tending northerly 15 to 20 knots in the early morning then tending northwest to southwesterly 10 to 15 knots in the late evening. Winds reaching up to 25 knots offshore in the late morning and early afternoon.
Seas
Below 1 metre, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 2 metres.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front is expected to weaken and slide across western and southern coasts during today and Wednesday. A second cold front may pass over the south again on Saturday with a high pressure system to follow over waters south of the Bight on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sudden Jerk Island Temperature Statistics View More

April Temperature

Cummins Airport (57km)

  • Lowest 14 April, 2026

    4.5 °C

  • Average April

    16.4 °C

  • Highest 18 April, 2026

    30.7 °C

Climate (2021–Present)

Cummins Airport (57km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    15.6 °C

  • Average High 2021–2026

    22.9 °C
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