Stack Island Weather Forecast

    • 12
    • 23

    Sunny

    • 17
    • 25

    Mostly sunny

    • 17
    • 23

    Sunny

    • 15
    • 21

    Sunny

    • 14
    • 26

    Partly cloudy

    • 13
    • 18

    Mostly sunny

    • 13
    • 20

    Possible shower

Today 1 Sep Illawarra

Sunny. Winds northwesterly 30 to 45 km/h. Daytime maximum temperatures 20 to 25.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds turning northwesterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Sunny.
Weather Situation
A broad high pressure system over Victoria extends a ridge over New South Wales. The high is forecast to reach the northern Tasman Sea early today, turning the winds north to northwesterly. Winds will freshen ahead of a trough and cold front crossing the coastal waters during Wednesday and Thursday, driving west to southwesterly winds in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

September Temperature

Kiama (Bombo Headland) (3km)

  • Lowest

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  • Average September

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  • Highest

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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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