Port Macdonnell Offshore Weather Forecast
- 12
- 13
Windy
- 12
- 12
Windy
- 11
- 12
Shower
- 10
- 13
Shower
- 9
- 13
Cloudy
- 9
- 14
Shower
- 11
- 13
Shower
Today 28 Jul Lower South East
Cloudy. High chance of showers, with possible small hail in the south. Winds westerly 25 to 40 km/h.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Westerly 25 to 30 knots, reaching up to 35 knots south of Port MacDonnell during the afternoon and evening. Winds tending southwesterly in the evening.
- Seas
- 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
- 1st Swell
- West to southwesterly 3 to 5 metres inshore, increasing to 4 to 7 metres offshore.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm south of Port MacDonnell. Possible small hail.
- Weather Situation
- A cold front will clip the far southeast on Tuesday evening, before moving out to the east overnight. A high pressure system will then move over the Bight on Wednesday, and will extend a ridge across the state as it slowly moves east into NSW by Saturday. Another cold front is then forecast to cross the state from Saturday evening into Sunday.
Port Macdonnell Offshore Temperature Statistics View More
July Temperature
Mount Gambier Airport (44km)
Lowest 7 July, 2026
-1.1 °CAverage July
9.5 °CHighest 1 July, 2026
16.7 °C
Climate (2021–2026)
Mount Gambier Airport (44km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C