Antechamber Bay Weather Forecast

    • 12
    • 23

    Shower

    • 14
    • 19

    Shower

    • 12
    • 18

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 14
    • 19

    Partly cloudy

    • 13
    • 19

    Partly cloudy

    • 14
    • 22

    Partly cloudy

Today 5 Dec Kangaroo Island

Partly cloudy. The chance of fog in the early morning. Medium chance of showers in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening. Winds south to southeasterly 15 to 20 km/h tending south to southwesterly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching the low to high 20s.

Investigator Strait Coastal Waters

Wind
Southeasterly 10 to 15 knots shifting west to southwesterly 15 to 20 knots in the late morning then becoming variable about 10 knots in the late evening.
Seas
Around 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre during the afternoon.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 60% chance of showers in the late afternoon and evening. The chance of a thunderstorm.
Weather Situation
A low pressure trough over the west and south of SA will move northeastwards during the afternoon and evening then will linger over the northeast and far north on Friday as a ridge of high pressure builds over the south. The trough will clear to the northeast of SA late Saturday. A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Antechamber Bay Temperature Statistics View More

December Temperature

Cape Willoughby (7km)

  • Lowest 2 December, 2025

    10.7 °C
  • Average December

    18.6 °C
  • Highest 3 December, 2025

    27.7 °C

Climate (2020–Present)

Cape Willoughby (7km)

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  • Average Low 2020–2025

    13.3 °C
  • Average 2020–2025

    15.3 °C
  • Average High 2020–2025

    18.4 °C
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