Groper Bay Weather Forecast
- 14
- 21
Partly cloudy
- 13
- 21
Cloudy
- 12
- 20
Cloudy
- 12
- 27
Partly cloudy
- 14
- 35
Sunny
- 17
- 33
Partly cloudy
- 16
- 25
Partly cloudy
Today 13 Dec Lower Eyre Peninsula
Mostly clear. Winds south to southwesterly 25 to 40 km/h.
Central Coastal Waters
- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system south of WA extends a ridge over SA. This will persist as the high slowly moves eastwards into the Bight on Sunday, and out to the Tasman Sea by late Tuesday.
Groper Bay Temperature Statistics View More
December Temperature
Port Lincoln Airport (43km)
Lowest 7 December, 2025
8.1 °CAverage December
18.4 °CHighest 3 December, 2025
35.3 °C
Climate (2020–Present)
Port Lincoln Airport (43km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.3 °C