Gerloff Bay Weather Forecast
- 13
- 26
Cloudy
- 13
- 20
Shower
- 11
- 17
Shower
- 9
- 16
Shower
- 8
- 16
Partly cloudy
- 7
- 16
Cloudy
- 6
- 17
Shower
Today 29 Sep Lower South East
Partly cloudy. Slight chance of a shower. Winds north to northwesterly 15 to 20 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northwesterly 10 to 15 knots.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Cloudy. The chance of a thunderstorm south of Port MacDonnell.
- Weather Situation
- A series of slow moving troughs will move over the west of SA on Tuesday then will across remaining parts of the state on Wednesday and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
Gerloff Bay Temperature Statistics View More
September Temperature
Mount Gambier Airport (37km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.6 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (37km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C