Gerloff Bay Weather Forecast
- 10
- 31
Partly cloudy
- 13
- 33
Partly cloudy
- 16
- 27
Cloudy
- 12
- 20
Cloudy
- 10
- 19
Shower
- 12
- 19
Shower
- 11
- 18
Cloudy
Today 17 Dec Lower South East
Sunny. Winds northwest to northeasterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures 31 to 36.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then tending southwesterly 1 to 1.5 metres around midday.
- Weather
- Sunny.
- Weather Situation
- A high pressure system drifts into the Tasman Sea today. A trough of low pressure will briefly enter the far northeast of SA with another trough slowly moving across the south and west on Thursday. In the wake of the trough a south to southwesterly flow will establish across the coasts on Friday, continuing into Saturday.
Gerloff Bay Temperature Statistics View More
December Temperature
Mount Gambier Airport (37km)
Lowest 7 December, 2025
4.7 °CAverage December
14.8 °CHighest 12 December, 2025
32.6 °C
Climate (2020–Present)
Mount Gambier Airport (37km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
19.9 °C