Sudden Jerk Island Weather Forecast
- 12
- 20
Partly cloudy
- 13
- 21
Partly cloudy
- 13
- 20
Shower or two
- 13
- 19
Shower or two
- 13
- 19
Shower or two
- 12
- 19
Possible shower
- 12
- 19
Partly cloudy
Today 21 May Lower Eyre Peninsula
The chance of morning fog. Mostly sunny afternoon. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly in the middle of the day then turning east to northeasterly in the early afternoon. Daytime maximum temperatures in the low 20s.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- North to northeasterly 10 to 15 knots becoming variable below 10 knots in the late afternoon then becoming northeasterly 10 to 15 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Sudden Jerk Island Temperature Statistics View More
May Temperature
Cummins Airport (57km)
Lowest 18 May, 2026
5.7 °CAverage May
14.8 °CHighest 1 May, 2026
31 °C
Climate (2021–Present)
Cummins Airport (57km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
15.7 °CAverage High 2021–2026
22.9 °C