Shoalhaven River - Regatta Island Weather Forecast

    • 9
    • 19

    Possible shower

    • 12
    • 18

    Showers

    • 12
    • 20

    Showers increasing

    • 13
    • 21

    Shower or two

    • 13
    • 22

    Shower or two

    • 13
    • 20

    Showers

    • 12
    • 20

    Shower or two

Today 21 May Illawarra

Cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Light winds.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla.
Seas
1.5 metres, increasing to 1.5 to 2 metres offshore north of Port Kembla.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Cloudy.
Weather Situation
A high pressure system is drifting across southeastern Australia, while a low lingers offshore over the Tasman Sea whipping fresh to strong southerly winds and large powerful waves along much of the coastline. Winds will generally turn east to northeasterly as the low moves eastwards and a ridge builds over the coastal waters from late Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalhaven River - Regatta Island Temperature Statistics View More

May Temperature

Nowra (RAN Air Station) (16km)

  • Lowest 10 May, 2026

    8.4 °C

  • Average May

    15.4 °C

  • Highest 2 May, 2026

    25.5 °C

Climate (2021–Present)

Nowra (RAN Air Station) (16km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.6 °C

  • Average High 2021–2026

    22.5 °C
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