Stack Island Weather Forecast

    • 13
    • 22

    Mostly clear

    • 14
    • 24

    Partly cloudy

    • 15
    • 23

    Showers increasing

    • 9
    • 16

    Windy. Partly cloudy

    • 10
    • 17

    Partly cloudy

    • 10
    • 21

    Sunny

    • 13
    • 24

    Sunny

Today 13 Sep Illawarra

Clear. The chance of smoke haze in the north. Light winds.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Port Kembla.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
Northerly winds will increase on Monday before a trough brings a southerly change to the far south in the evening. This southerly change will continue to move north along the coast on Tuesday and then strengthen as a cold front reaches the Tasman Sea. After this, southerly winds will persist as a new ridge of high pressure extends across from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

September Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 9 September, 2026

    9.5 °C

  • Average September

    16.8 °C

  • Highest 5 September, 2026

    29.8 °C

Climate (2021–2026)

Kiama (Bombo Headland) (3km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.9 °C

  • Average High 2021–2026

    21.5 °C
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