Shag Rock Weather Forecast
- 15
- 22
Storm
- 13
- 22
Shower
- 13
- 20
Shower
- 9
- 19
Shower
- 12
- 19
Shower
- 9
- 20
Partly cloudy
- 9
- 21
Partly cloudy
Today 15 May West Coast
Partly cloudy. Very high chance of rain east of Ceduna, medium chance elsewhere. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding east of Ceduna in the late afternoon and evening. Winds north to northeasterly 15 to 20 km/h.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
- Weather Situation
- A strong high pressure system in the Tasman Sea is slowly moving east. A cold front will move east across the Southern Ocean over the weekend, with a second front moving across the south of SA on Monday.
Shag Rock Temperature Statistics View More
May Temperature
Streaky Bay (44km)
Lowest 12 May, 2026
4.3 °CAverage May
14.6 °CHighest 1 May, 2026
28.8 °C
Climate (2021–Present)
Streaky Bay (44km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
23.6 °C