Gerloff Bay Weather Forecast
- 6
- 20
Partly cloudy
- 10
- 17
Shower
- 8
- 15
Shower
- 10
- 16
Shower
- 9
- 15
Shower
- 8
- 16
Shower
- 10
- 17
Shower
Today 18 Sep Lower South East
Mostly sunny morning. Slight chance of a shower in the evening. Winds northerly 25 to 35 km/h tending northwesterly in the middle of the day then becoming light in the late evening. Overnight temperatures falling to between 3 and 6 with daytime temperatures reaching the low 20s.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- North to northwesterly 15 to 25 knots, reaching up to 30 knots south of Port MacDonnell in the late morning. Winds tending west to northwesterly 10 to 15 knots during the afternoon and evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre later in the evening.
- 1st Swell
- Southwesterly 3 to 4 metres, tending westerly 2.5 to 3 metres during the morning.
- Weather
- Partly cloudy. The chance of a thunderstorm south of Port MacDonnell in the afternoon and evening.
Gerloff Bay Temperature Statistics View More
September Temperature
Mount Gambier Airport (37km)
Lowest 5 September, 2025
-0.2 °CAverage September
11.4 °CHighest 15 September, 2025
25.2 °C
Climate (2020–Present)
Mount Gambier Airport (37km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.7 °CAverage High 2020–2025
20 °C