Shag Rock Weather Forecast
- 8
- 23
Clear
- 11
- 24
Partly cloudy
- 10
- 24
Sunny
- 10
- 22
Sunny
- 10
- 23
Sunny
- 13
- 23
Partly cloudy
- 11
- 18
Cloudy
Today 27 Aug West Coast
Mostly clear. Slight chance of a shower west of Nullarbor later tonight. Near zero chance of rain elsewhere. The chance of a thunderstorm west of Nullarbor later this evening. Winds northerly 15 to 25 km/h turning northeasterly 15 to 20 km/h in the late afternoon.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northeasterly about 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure ridge lies over central and eastern SA, while a low pressure trough moves over the far west late Thursday and Friday. A high pressure system will move over waters to the south over the weekend to be centred over southern Victoria by late Sunday, extending a ridge across SA until Monday.
Shag Rock Temperature Statistics View More
August Temperature
Streaky Bay (44km)
Lowest 10 August, 2026
1.5 °CAverage August
11.8 °CHighest 18 August, 2026
21.5 °C
Climate (2021–2026)
Streaky Bay (44km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
23.6 °C