Crookhaven River - Haven Island Weather Forecast

    • 11
    • 19

    Possible shower

    • 9
    • 18

    Partly cloudy

    • 8
    • 19

    Mostly sunny

    • 8
    • 22

    Partly cloudy

    • 12
    • 20

    Shower or two

    • 11
    • 18

    Mostly sunny

    • 11
    • 16

    Partly cloudy

Today 23 Aug Illawarra

Partly cloudy. Medium chance of showers, most likely from the late morning. Winds westerly 15 to 20 km/h turning south to southwesterly 20 to 30 km/h during the morning. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 15 and 20.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning southerly 20 to 25 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Northeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Crookhaven River - Haven Island Temperature Statistics View More

August Temperature

Nowra (RAN Air Station) (19km)

  • Lowest 18 August, 2025

    4 °C

  • Average August

    11.4 °C

  • Highest 5 August, 2025

    20.5 °C

Climate (2020–Present)

Nowra (RAN Air Station) (19km)

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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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