Macs Beach Offshore Weather Forecast
- 12
- 15
Cloudy
- 10
- 16
Sunny
- 12
- 16
Partly cloudy
- 12
- 15
Partly cloudy
- 11
- 15
Partly cloudy
- 11
- 17
Partly cloudy
- 15
- 18
Shower
Today 26 Aug Yorke Peninsula
Partly cloudy. Light winds. Daytime maximum temperatures around 17.
Gulf St Vincent Coastal Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southeast to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system is centred over central SA, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over the weekend.
Macs Beach Offshore Temperature Statistics View More
August Temperature
Roseworthy (57km)
Lowest 5 August, 2026
0.8 °CAverage August
11.2 °CHighest 18 August, 2026
19.2 °C
Climate (2021–2026)
Roseworthy (57km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
16.3 °CAverage High 2021–2026
23.7 °C