Shelley Beach Weather Forecast

    • 10
    • 15

    Partly cloudy

    • 8
    • 17

    Mostly sunny

    • 10
    • 23

    Sunny

    • 13
    • 27

    Possible shower

    • 13
    • 21

    Shower or two

    • 13
    • 24

    Partly cloudy

    • 13
    • 26

    Partly cloudy

Today 21 Sep Port Lincoln

Partly cloudy. Winds easterly 15 to 20 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Mostly clear.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shelley Beach Temperature Statistics View More

September Temperature

Port Lincoln Airport (13km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14.2 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

Port Lincoln Airport (13km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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