Shoalhaven River - Regatta Island Weather Forecast

    • 8
    • 14

    Showers

    • 9
    • 16

    Showers

    • 10
    • 16

    Showers

    • 11
    • 18

    Showers

    • 10
    • 20

    Shower or two

    • 9
    • 20

    Partly cloudy

    • 8
    • 19

    Partly cloudy

Today 19 Aug Illawarra

Cloudy. High chance of showers. Winds south to southeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 10 and 15.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southeasterly 10 to 15 knots, reaching up to 20 knots south of Port Kembla during the morning. Winds tending east to southeasterly below 10 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
Southerly 1.5 to 2 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough will move along the southern and central waters today and then linger along the northern half of the coast for the remainder of the week. Meanwhile, a high pressure system over the Bight will slowly enter the southern Tasman Sea during Tuesday. This will cause southerly winds to gradually turn easterly mid-week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalhaven River - Regatta Island Temperature Statistics View More

August Temperature

Nowra (RAN Air Station) (16km)

  • Lowest 18 August, 2025

    4 °C
  • Average August

    11.2 °C
  • Highest 5 August, 2025

    20.5 °C

Climate (2020–Present)

Nowra (RAN Air Station) (16km)

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  • Average Low 2020–2025

    12 °C
  • Average 2020–2025

    16.5 °C
  • Average High 2020–2025

    22.3 °C
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