Groper Bay Weather Forecast

    • 10
    • 26

    Sunny

    • 14
    • 24

    Cloudy

    • 14
    • 25

    Cloudy

    • 14
    • 29

    Sunny

    • 15
    • 31

    Partly cloudy

    • 15
    • 22

    Partly cloudy

    • 13
    • 22

    Cloudy

Today 8 Dec Lower Eyre Peninsula

Sunny. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly in the early afternoon then becoming light in the evening. Daytime maximum temperatures 26 to 31.

Central Coastal Waters

Wind
West to northwesterly 10 to 15 knots, reaching up to 20 knots in the west in the late morning. Winds turning south to southwesterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 metres.
Weather
Mostly sunny.
Weather Situation
A broad ridge extends over inland parts of the state while a weak cold front clips the southeast late Monday. From Tuesday another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
Graph Plots Open in Graphs

  • 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

    17.5 °C

  • Highest 3 December, 2025

    35.3 °C

Climate (2020–Present)

Port Lincoln Airport (43km)

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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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