Marble Bay Weather Forecast

    • 14
    • 14

    Cloudy

    • 14
    • 15

    Partly cloudy

    • 14
    • 15

    Cloudy

    • 13
    • 15

    Windy

    • 13
    • 15

    Partly cloudy

    • 14
    • 15

    Sunny

    • 15
    • 18

    Partly cloudy

Today 6 Sep Lower Eyre Peninsula

Partly cloudy. Light winds.

Central Coastal Waters

Wind
West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
Weather
Cloudy.
Weather Situation
A high pressure system centred over SA will weaken during Sunday. The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marble Bay Temperature Statistics View More

September Temperature

Neptune Island (36km)

  • Lowest 5 September, 2026

    11.8 °C
  • Average September

    14.8 °C
  • Highest 4 September, 2026

    18 °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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