Shoalhaven River - Regatta Island Weather Forecast

    • 14
    • 25

    Partly cloudy

    • 13
    • 29

    Partly cloudy

    • 15
    • 31

    Possible shower developing

    • 13
    • 20

    Showers

    • 11
    • 20

    Shower or two

    • 11
    • 22

    Mostly sunny

    • 11
    • 26

    Partly cloudy

Today 24 Sep Illawarra

Partly cloudy. The chance of fog about higher ground in the early morning. Slight chance of a shower. The chance of a thunderstorm inland in the afternoon and evening. Winds northwest to northeasterly 15 to 20 km/h becoming light before dawn then becoming north to northeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 10 and 15 with daytime temperatures reaching the low to mid 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 25 knots, reaching up to 30 knots offshore north of Port Kembla during the afternoon and evening.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Cloud clearing.
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 17 September, 2026

    4.9 °C

  • Average September

    15.6 °C

  • Highest 20 September, 2026

    30.6 °C

Climate (2021–2026)

Nowra (RAN Air Station) (16km)

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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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