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.
Groper Bay Temperature Statistics View More
December Temperature
Port Lincoln Airport (43km)
Lowest 7 December, 2025
8.1 °CAverage December
18.5 °CHighest 18 December, 2025
42.7 °C
Climate (2020–Present)
Port Lincoln Airport (43km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.8 °CAverage High 2020–2025
21.3 °C