Stack Island Weather Forecast

    • 15
    • 21

    Mostly clear

    • 15
    • 22

    Mostly sunny

    • 16
    • 23

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 18
    • 26

    Sunny

    • 19
    • 26

    Mostly sunny

    • 19
    • 26

    Shower or two

Today 28 Mar Illawarra

Mostly clear. Winds southerly 20 to 30 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southwesterly 25 to 30 knots.
Seas
2.5 to 3 metres.
1st Swell
Southerly 5 to 6 metres.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm later tonight.
Caution
Large and powerful surf conditions for the rest of the day are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
Weather Situation
Large and powerful waves and strong winds will gradually ease as a vigorous low pressure system over the southern Tasman Sea moves away to the east and a ridge of high pressure develops in its wake. Winds will tend southeast to northeasterly from Monday as the centre of the high reaches the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

March Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 27 March, 2026

    12.7 °C

  • Average March

    21.5 °C

  • Highest 11 March, 2026

    27.4 °C

Climate (2021–Present)

Kiama (Bombo Headland) (3km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    17.8 °C

  • Average High 2021–2026

    21.4 °C
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