Groper Bay Weather Forecast
- 12
- 31
Partly cloudy
- 17
- 25
Partly cloudy
- 12
- 25
Shower
- 13
- 20
Cloudy
- 11
- 21
Cloudy
- 10
- 24
Sunny
- 13
- 24
Partly cloudy
Today 3 Dec Lower Eyre Peninsula
Mostly clear. Winds northwest to southwesterly 20 to 30 km/h tending southeast to southwesterly 15 to 20 km/h in the evening then tending northeast to southeasterly in the late evening.
Central Coastal Waters
- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots in the west in the late afternoon. Winds tending north to northeasterly in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres in the west.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening, then increasing to 1.5 to 2 metres later in the evening.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure extends over SA from the east, as a low pressure trough moves into the far west late this evening. The trough is expected to move eastwards during Thursday. A ridge of high pressure is then forecast to build over the Bight on Friday and a weak cold front will move across the southern coastal districts on Saturday. The high will slowly move eastwards on Sunday.
Groper Bay Temperature Statistics View More
December Temperature
Port Lincoln Airport (43km)
Lowest 2 December, 2025
8.5 °CAverage December
14.7 °CHighest 1 December, 2025
21.6 °C
Climate (2020–Present)
Port Lincoln Airport (43km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
15.7 °CAverage High 2020–2025
21.2 °C