Seven Mile Beach Weather Forecast

    • 11
    • 19

    Possible shower

    • 13
    • 21

    Showers

    • 14
    • 25

    Partly cloudy

    • 13
    • 28

    Partly cloudy

    • 15
    • 29

    Becoming cloudy

    • 13
    • 22

    Shower or two

    • 13
    • 23

    Partly cloudy

Today 22 Sep Illawarra

Cloudy. High chance of showers in the north, medium chance elsewhere. Winds easterly 15 to 20 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Easterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 to 2 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
Southeasterly winds lie over the coastal waters, fresh and gusty in the northeast. A high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly from Wednesday and freshen along the southern and central coastal waters. A southerly change is forecast to move over the coastal waters from Saturday, tracking north over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seven Mile Beach Temperature Statistics View More

September Temperature

Nowra (RAN Air Station) (22km)

  • Lowest 17 September, 2026

    4.9 °C

  • Average September

    16 °C

  • Highest 20 September, 2026

    30.6 °C

Climate (2021–2026)

Nowra (RAN Air Station) (22km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.6 °C
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