Shag Cove Weather Forecast

    • 14
    • 22

    Cloudy

    • 12
    • 22

    Shower or two developing

    • 13
    • 22

    Shower or two

    • 12
    • 22

    Cloudy

    • 13
    • 21

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 13
    • 22

    Partly cloudy

Today 19 Dec Port Lincoln

Cloudy. Winds southwesterly 15 to 25 km/h turning southerly 25 to 35 km/h in the middle of the day then decreasing to 15 to 20 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 20 knots increasing to 25 knots before turning southerly 15 to 20 knots during the day. Winds reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy. The chance of a thunderstorm north of Cowell to Wallaroo in the late morning and afternoon.
Weather Situation
A trough of broad low pressure lies in the west. This area of low pressure is expected to slowly extend across the state from the west during today and tomorrow, before contracting to the far northeast on Sunday evening. Behind this, a ridge of high pressure moves over the west and south during Sunday, persisting throughout SA by late Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shag Cove Temperature Statistics View More

December Temperature

Port Lincoln Airport (34km)

  • Lowest 7 December, 2025

    8.1 °C
  • Average December

    18.8 °C
  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (34km)

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  • Average Low 2020–2025

    11.4 °C
  • Average 2020–2025

    15.7 °C
  • Average High 2020–2025

    21.3 °C
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