Marum Island Weather Forecast
- 19
- 20
Partly cloudy
- 17
- 19
Cloudy
- 19
- 24
Partly cloudy
- 19
- 20
Partly cloudy
- 19
- 21
Sunny
- 20
- 24
Partly cloudy
- 20
- 21
Shower
Today 19 Apr Lower Eyre Peninsula
Partly cloudy. Winds southerly 20 to 30 km/h turning southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low to mid 20s.
Spencer Gulf Coastal Waters
- Wind
- Northwest to northeasterly 10 to 15 knots tending south to southwesterly 15 to 20 knots in the middle of the day then tending south to southeasterly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres near the Eyre Peninsula coast by early evening.
- 1st Swell
- South to southwesterly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts this morning. The high will move eastwards to be centred southeast of Tasmania later today but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
Marum Island Temperature Statistics View More
April Temperature
Port Lincoln Airport (35km)
Lowest 14 April, 2026
8.8 °CAverage April
16.6 °CHighest 16 April, 2026
26.7 °C
Climate (2021–Present)
Port Lincoln Airport (35km)
Average Low 2021–2026
11.4 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C