Marum Island Weather Forecast
- 14
- 15
Partly cloudy
- 13
- 14
Partly cloudy
- 12
- 16
Partly cloudy
- 14
- 16
Partly cloudy
- 15
- 15
Partly cloudy
- 14
- 15
Sunny
- 14
- 16
Sunny
Today 25 Aug Lower Eyre Peninsula
Partly cloudy. Winds south to southwesterly 15 to 25 km/h becoming light in the evening.
Spencer Gulf Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo in the evening. Winds decreasing to about 10 knots in the late evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system is moving in from the west and will be centred over central SA on Wednesday, 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.
Marum Island Temperature Statistics View More
August Temperature
Port Lincoln Airport (35km)
Lowest 1 August, 2026
2.6 °CAverage August
12.3 °CHighest 18 August, 2026
20.3 °C
Climate (2021–2026)
Port Lincoln Airport (35km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C