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.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marum Island Temperature Statistics View More

April Temperature

Port Lincoln Airport (35km)

  • Lowest 14 April, 2026

    8.8 °C
  • Average April

    16.6 °C
  • Highest 16 April, 2026

    26.7 °C

Climate (2021–Present)

Port Lincoln Airport (35km)

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  • Average Low 2021–2026

    11.4 °C
  • Average 2021–2026

    15.8 °C
  • Average High 2021–2026

    21.3 °C
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