Haystack Island Weather Forecast

    • 14
    • 21

    Partly cloudy

    • 15
    • 25

    Mostly sunny

    • 17
    • 22

    Partly cloudy

    • 15
    • 24

    Sunny

    • 18
    • 25

    Mostly sunny

    • 17
    • 24

    Partly cloudy

    • 15
    • 22

    Partly cloudy

Today 20 Apr Yorke Peninsula

Partly cloudy. Winds southeasterly 15 to 25 km/h turning easterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Southeasterly 10 to 15 knots turning easterly in the late evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the state will move to the southeast of Tasmania today, but will maintain a ridge over SA ahead of a cold front during Tuesday and Wednesday. Another high will move across waters to the south later Wednesday and will be centred southeast of Tasmania late Thursday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

April Temperature

Cape Borda (55km)

  • Lowest 18 April, 2026

    8.8 °C

  • Average April

    15.5 °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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