Shag Rock Weather Forecast
- 14
- 20
Shower
- 9
- 20
Partly cloudy
- 11
- 18
Windy
- 7
- 19
Partly cloudy
- 6
- 23
Sunny
- 9
- 27
Sunny
- 14
- 30
Sunny
Today 13 Sep West Coast
Mostly sunny. High chance of showers south of Streaky Bay, slight chance elsewhere. The chance of a thunderstorm in the morning. Winds northwest to northeasterly 20 to 30 km/h tending west to southwesterly before dawn then becoming light in the evening. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching the low to mid 20s.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northerly 15 to 20 knots shifting west to southwesterly before dawn.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre by early evening.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
- Weather
- Partly cloudy. 60% chance of showers in the early morning. The chance of a thunderstorm in the early morning.
Shag Rock Temperature Statistics View More
September Temperature
Streaky Bay (44km)
Lowest 10 September, 2026
4 °CAverage September
14.6 °CHighest 1 September, 2026
25.5 °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