Groper Bay Weather Forecast

    • 14
    • 24

    Clear

    • 15
    • 30

    Sunny

    • 16
    • 33

    Sunny

    • 17
    • 33

    Partly cloudy

    • 15
    • 22

    Windy

    • 13
    • 22

    Cloudy

    • 13
    • 23

    Cloudy

Today 26 Dec Lower Eyre Peninsula

Clear. Winds easterly 25 to 35 km/h.

Central Coastal Waters

Wind
Easterly 15 to 20 knots.
Seas
1.5 metres, increasing to 1 to 2 metres in the west.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Weather
Clear.
Weather Situation
A high pressure system maintains a broad ridge over most of South Australia. A low pressure trough enters western parts of the state late Saturday and continues moving east on Sunday, reaching central parts on Monday. The deepening trough moves into eastern parts of SA on Tuesday, while a new ridge builds across the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Groper Bay Temperature Statistics View More

December Temperature

Port Lincoln Airport (43km)

  • Lowest 7 December, 2025

    8.1 °C
  • Average December

    18.5 °C
  • Highest 18 December, 2025

    42.7 °C

Climate (2020–Present)

Port Lincoln Airport (43km)

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  • Average Low 2020–2025

    11.4 °C
  • Average 2020–2025

    15.8 °C
  • Average High 2020–2025

    21.3 °C
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