West Bay Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 10
    • 21

    Partly cloudy

    • 14
    • 22

    Shower

    • 12
    • 20

    Shower

    • 12
    • 20

    Cloudy

    • 13
    • 23

    Partly cloudy

    • 15
    • 23

    Shower

Today 22 Sep Kangaroo Island

Sunny. Winds northeasterly 15 to 20 km/h turning easterly in the early afternoon. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
Northeasterly 10 to 15 knots turning easterly in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly 3 to 4 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

West Bay Temperature Statistics View More

September Temperature

Cape Borda (15km)

  • Lowest 17 September, 2026

    5 °C

  • Average September

    12.7 °C

  • Highest 18 September, 2026

    18.6 °C

Climate (2021–2026)

Cape Borda (15km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.9 °C

  • Average High 2021–2026

    19 °C
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