Antechamber Bay Weather Forecast

    • 11
    • 15

    Partly cloudy

    • 9
    • 15

    Cloudy

    • 10
    • 14

    Cloudy

    • 11
    • 15

    Partly cloudy

    • 11
    • 16

    Sunny

    • 12
    • 18

    Partly cloudy

    • 14
    • 19

    Shower

Today 7 Sep Kangaroo Island

Partly cloudy. Winds southeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
South to southeasterly 10 to 15 knots tending east to southeasterly during the afternoon and evening. Winds reaching up to 20 knots through the Backstairs Passage in the late afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
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

Antechamber Bay Temperature Statistics View More

September Temperature

Cape Willoughby (7km)

  • Lowest 2 September, 2026

    9.9 °C
  • Average September

    13.4 °C
  • Highest 4 September, 2026

    18.1 °C

Climate (2021–2026)

Cape Willoughby (7km)

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  • Average Low 2021–2026

    13.3 °C
  • Average 2021–2026

    15.4 °C
  • Average High 2021–2026

    18.5 °C
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