Shoalhaven River - Regatta Island Weather Forecast

    • 8
    • 28

    Sunny

    • 14
    • 30

    Mostly sunny

    • 15
    • 25

    Rain

    • 14
    • 23

    Showers. Possible storm

    • 11
    • 23

    Partly cloudy

    • 11
    • 24

    Partly cloudy

    • 12
    • 26

    Sunny morning. Shower or two

Today 30 Sep Illawarra

Sunny. The chance of fog about the Southern Highlands in the early morning. Winds north to northwesterly 15 to 25 km/h tending west to northwesterly in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching 24 to 29.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore north of Port Kembla in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Sunny.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
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

    15.8 °C

  • Highest 26 September, 2026

    34.2 °C

Climate (2021–2026)

Nowra (RAN Air Station) (16km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    16.7 °C

  • Average High 2021–2026

    22.6 °C
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