Groper Bay Weather Forecast
- 14
- 23
Partly cloudy
- 14
- 25
Shower
- 14
- 27
Partly cloudy
- 14
- 29
Partly cloudy
- 14
- 22
Partly cloudy
- 12
- 21
Cloudy
- 13
- 21
Cloudy
Today 9 Dec Lower Eyre Peninsula
Mostly sunny. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures 24 to 31.
Central Coastal Waters
- Wind
- Southeasterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres in the west during the afternoon.
- 1st Swell
- Southwesterly 2 metres, increasing to 2 to 3 metres around midday.
- Weather
- Partly cloudy.
- Weather Situation
- A broad ridge extends over coastal waters. From today another high pressure system develops south of the Bight, strengthening the ridge. A trough is expected to move across coastal waters on Friday.
Groper Bay Temperature Statistics View More
December Temperature
Port Lincoln Airport (43km)
Lowest 7 December, 2025
8.1 °CAverage December
17.6 °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