Shoalhaven River - Regatta Island Weather Forecast

    • 11
    • 22

    Mostly sunny

    • 15
    • 20

    Cloudy

    • 11
    • 20

    Mostly sunny

    • 9
    • 18

    Shower or two

    • 8
    • 17

    Shower or two

    • 7
    • 17

    Sunny

    • 8
    • 16

    Possible shower

Today 18 Jun Illawarra

Mostly sunny. Patchy morning fog inland. Light winds becoming north to northwesterly 15 to 25 km/h in the morning. Daytime maximum temperatures between 18 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly about 10 knots increasing to 15 to 20 knots in the morning. Winds reaching up to 25 knots offshore south of Port Kembla in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the Tasman Sea is extending ridge across the coastal waters while drifting eastwards, bringing a northwesterly airstream. Winds will become northerly and freshen during today and Friday as a cold front approaches from the west, before turning westerly over the weekend following its passage. Winds then turn southerly on Sunday as a second cold front brushes along the south of the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalhaven River - Regatta Island Temperature Statistics View More

June Temperature

Nowra (RAN Air Station) (16km)

  • Lowest 7 June, 2026

    6.5 °C

  • Average June

    13.8 °C

  • Highest 13 June, 2026

    22.7 °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

    22.5 °C
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