Cape Douglas Offshore Weather Forecast
- 12
- 16
Shower
- 13
- 15
Rain
- 13
- 14
Shower
- 13
- 14
Shower
- 13
- 14
Shower
- 12
- 14
Shower
- 11
- 14
Shower
Today 18 Aug Lower South East
Cloudy. Very high chance of showers. Winds northeasterly 20 to 30 km/h. Daytime maximum temperatures around 16.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northeasterly 20 to 25 knots.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- A large blocking high pressure system persists over the Tasman Sea. An upper level disturbance responsible for precipitation over central and eastern parts will weaken today as a weakening cold front moves across western parts today and across the southeast on Wednesday. A high pressure ridge is expected to develop over South Australia from Wednesday afternoon with weak troughs clipping the southeast in a broad westerly flow on Thursday and Friday.
Cape Douglas Offshore Temperature Statistics View More
August Temperature
Mount Gambier Airport (43km)
Lowest 1 August, 2026
0.3 °CAverage August
10 °CHighest 14 August, 2026
16 °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