Spencer Gulf Weather Forecast

    • 11
    • 16

    Clear

    • 11
    • 16

    Sunny

    • 13
    • 21

    Sunny

    • 16
    • 23

    Sunny

    • 20
    • 23

    Sunny

    • 15
    • 16

    Windy

    • 14
    • 18

    Partly cloudy

Today 16 Sep Flinders

Clear. Winds southeasterly 15 to 25 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system south of the state will maintain a ridge across SA for the next few days as it drifts eastwards, to be located over NSW from Friday. A cold front is then likely to approach from the west late Saturday and move across SA on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

September Temperature

Whyalla Airport (38km)

  • Lowest 11 September, 2026

    3.4 °C
  • Average September

    14.9 °C
  • Highest 13 September, 2026

    28.9 °C

Climate (2021–2026)

Whyalla Airport (38km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
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