Lacy Island Weather Forecast

    • 14
    • 16

    Sunny

    • 16
    • 20

    Sunny

    • 15
    • 16

    Windy

    • 14
    • 15

    Cloudy

    • 15
    • 16

    Shower

    • 15
    • 15

    Cloudy

    • 14
    • 15

    Partly cloudy

Today 17 Sep West Coast

Mostly sunny. The chance of fog early this morning. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. The chance of morning frost south of Streaky Bay. Winds northwest to northeasterly 15 to 25 km/h becoming light in the evening then becoming east to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 20 to 25.

Upper West Coastal Waters

Fowlers Bay to Elliston
Wind
West to northwesterly below 10 knots tending north to northwesterly 10 to 15 knots in the morning then tending northeast to southeasterly in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
Weather
Mostly sunny.
Weather Situation
A high pressure ridge will move in from the west and quickly tracks eastwards during the day with a weak trough sweeping across the coasts on Thursday. A cold front will skim southern coasts on Friday with a southwesterly airstream establishing in its wake on Saturday as a high pressure ridge develops over the Far West Coast and persists during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lacy Island Temperature Statistics View More

September Temperature

Ceduna Airport (42km)

  • Lowest 1 September, 2025

    1 °C

  • Average September

    15.1 °C

  • Highest 6 September, 2025

    33 °C

Climate (2020–Present)

Ceduna Airport (42km)

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  • Average Low 2020–2025

    10.8 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    23.8 °C
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