Haystack Island Weather Forecast

    • 14
    • 23

    Mostly clear

    • 15
    • 22

    Rain

    • 15
    • 21

    Rain easing

    • 14
    • 20

    Shower or two

    • 12
    • 19

    Shower or two

    • 13
    • 19

    Shower or two

    • 13
    • 19

    Partly cloudy

Today 14 May Yorke Peninsula

Mostly clear. Winds northerly 15 to 20 km/h becoming light in the late afternoon then becoming northeasterly 15 to 20 km/h in the late evening.

Investigator Strait Coastal Waters

Wind
Northeasterly about 10 knots increasing to 10 to 15 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Mostly clear.
Weather Situation
A strong high pressure system in the Tasman Sea is slowly moving east. A cold front will move east across the Southern Ocean over the weekend, with a second front moving across the south of SA on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Haystack Island Temperature Statistics View More

May Temperature

Stenhouse Bay (5km)

  • Lowest 3 May, 2026

    11.4 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    28.9 °C

Climate (2021–Present)

Stenhouse Bay (5km)

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  • Average Low 2021–2026

    13.1 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    20.5 °C
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