Lake Illawarra - Berageree Island Weather Forecast

    • 12
    • 19

    Possible shower. Windy

    • 11
    • 18

    Partly cloudy

    • 10
    • 20

    Mostly sunny

    • 10
    • 22

    Mostly sunny

    • 14
    • 21

    Shower or two

    • 12
    • 19

    Sunny

    • 11
    • 17

    Becoming windy. Mostly sunny

Today 23 Aug Wollongong

Partly cloudy. Slight chance of a shower, most likely this evening. Winds westerly 15 to 25 km/h turning south to southwesterly 25 to 40 km/h in the late morning.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southwesterly 20 to 30 knots, reaching up to 35 knots offshore south of Point Perpendicular during the afternoon and evening.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres around midday.
1st Swell
Southerly below 1 metre, increasing to 1 to 2 metres by early evening.
Weather
Partly cloudy. 80% chance of showers offshore, 50% chance elsewhere. The chance of a thunderstorm.
Weather Situation
A trough lies off the NSW coast, bringing northwesterly to northeasterly winds to NSW waters. The trough is set to move east over the Tasman Sea while a ridge forms along the NSW coast in its wake, bringing fresh to strong southwesterly winds. This ridge will persist through early next week, before winds turn north to northwesterly ahead of a cold front set to cross coastal waters mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Berageree Island Temperature Statistics View More

August Temperature

Illawarra Regional Airport (7km)

  • Lowest 13 August, 2025

    3.7 °C
  • Average August

    12.5 °C
  • Highest 5 August, 2025

    20.7 °C

Climate (2020–Present)

Illawarra Regional Airport (7km)

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  • Average Low 2020–2025

    12.4 °C
  • Average 2020–2025

    17.1 °C
  • Average High 2020–2025

    22.6 °C
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