Haystack Island Weather Forecast

    • 14
    • 21

    Partly cloudy

    • 14
    • 20

    Cloudy

    • 13
    • 23

    Mostly sunny

    • 17
    • 22

    Partly cloudy

    • 15
    • 20

    Partly cloudy

    • 14
    • 24

    Mostly sunny

    • 17
    • 22

    Possible shower

Today 16 Apr Yorke Peninsula

Clear. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the late afternoon then becoming light in the evening.

Investigator Strait Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending south to southwesterly below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Mostly clear.
Weather Situation
A high pressure system south of the Bight extends a ridge over SA. The high will move east during Friday and Saturday ahead of a weakening trough that is expected to brush the west and south on the weekend. The high is forecast to be over the Tasman Sea by Monday, extending a ridge over South Australia through until Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

April Temperature

Cape Borda (55km)

  • Lowest 8 April, 2026

    9.4 °C

  • Average April

    15.4 °C

  • Highest 4 April, 2026

    22.2 °C

Climate (2021–Present)

Cape Borda (55km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.9 °C

  • Average High 2021–2026

    18.9 °C
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