West Island Weather Forecast

    • 10
    • 18

    Possible shower

    • 9
    • 15

    Cloudy

    • 9
    • 15

    Cloudy

    • 5
    • 18

    Sunny

    • 6
    • 22

    Sunny

    • 10
    • 25

    Sunny

    • 13
    • 23

    Partly cloudy

Today 14 Sep Mount Lofty Ranges

Partly cloudy. Medium chance of showers. Winds westerly 15 to 25 km/h.

South Central Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 50% chance of showers inshore, near zero chance elsewhere.
Weather Situation
A high pressure ridge will move over northern SA on Monday and a cold front will move over southern coastal districts late Monday and early Tuesday. A high pressure system will then move across waters to the south during the week to be centred over Victoria later Thursday then over eastern NSW later Friday.
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  • Temperature Forecast Bureau of Meteorology

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West Island Temperature Statistics View More

September Temperature

Encounter Bay (6km)

  • Lowest 8 September, 2026

    2.7 °C
  • Average September

    14.1 °C
  • Highest 12 September, 2026

    24.4 °C

Climate (2021–2026)

Encounter Bay (6km)

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  • Average Low 2021–2026

    10.5 °C
  • Average 2021–2026

    15.2 °C
  • Average High 2021–2026

    20.6 °C
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