Marble Bay Weather Forecast

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    Shower

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    • 16

    Shower

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    Shower

    • 13
    • 13

    Shower

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    Cloudy

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    Cloudy

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    Partly cloudy

Today 26 Jul Lower Eyre Peninsula

Cloudy. Medium chance of showers in the late morning and afternoon. Winds northwesterly 15 to 20 km/h becoming light in the late afternoon. Daytime maximum temperatures around 17.

Central Coastal Waters

Wind
Northwesterly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 25 knots in the west in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres in the west during the afternoon.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A strong high pressure system centred over the state will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marble Bay Temperature Statistics View More

July Temperature

Neptune Island (36km)

  • Lowest 12 July, 2026

    10 °C

  • Average July

    13.9 °C

  • Highest 21 July, 2026

    17.6 °C

Climate (2021–2026)

Neptune Island (36km)

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  • Average Low 2021–2026

    14.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    18.8 °C
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