Shoalhaven River - Regatta Island Weather Forecast

    • 14
    • 22

    Possible shower then sunny

    • 10
    • 21

    Possible morning shower

    • 9
    • 25

    Possible late shower

    • 13
    • 20

    Sunny

    • 10
    • 21

    Partly cloudy

    • 11
    • 21

    Possible shower

    • 8
    • 19

    Sunny

Today 17 Sep Illawarra

Medium chance of showers, most likely in the early morning. Sunny day. Winds westerly 25 to 40 km/h. Overnight temperatures falling to between 9 and 15 with daytime temperatures reaching between 17 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwest to southwesterly 15 to 20 knots tending southeast to southwesterly in the early afternoon then tending west to southwesterly in the evening. Winds reaching up to 30 knots north of Point Perpendicular in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 2 metres by early evening.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalhaven River - Regatta Island Temperature Statistics View More

September Temperature

Nowra (RAN Air Station) (16km)

  • Lowest 6 September, 2025

    5.9 °C

  • Average September

    15 °C

  • Highest 8 September, 2025

    26.9 °C

Climate (2020–Present)

Nowra (RAN Air Station) (16km)

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  • Average Low 2020–2025

    12.1 °C

  • Average 2020–2025

    16.5 °C

  • Average High 2020–2025

    22.3 °C
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