Cape Douglas Offshore Weather Forecast
- 12
- 14
Rain
- 13
- 14
Shower
- 11
- 13
Shower
- 12
- 14
Shower
- 13
- 14
Shower
- 13
- 14
Shower
- 12
- 13
Shower
Today 9 Aug Lower South East
Cloudy. Very high chance of rain. The chance of a thunderstorm in the north in the late morning and afternoon. Winds north to northeasterly 20 to 30 km/h becoming light in the late afternoon then becoming southerly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 15.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- North to northeasterly 15 to 20 knots becoming variable about 10 knots in the early afternoon then becoming southerly 15 to 20 knots in the evening. Winds reaching up to 30 knots offshore in the late evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy. Near 100% chance of showers. The chance of a thunderstorm north of Port MacDonnell during this afternoon and evening.
- Weather Situation
- A vigorous cold front is moving across the central SA this morning and then across remaining eastern parts of the State during the afternoon and early evening. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.
Cape Douglas Offshore Temperature Statistics View More
August Temperature
Mount Gambier Airport (43km)
Lowest 1 August, 2026
0.3 °CAverage August
9.1 °CHighest 2 August, 2026
15.7 °C
Climate (2021–2026)
Mount Gambier Airport (43km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C