Crookhaven River - Haven Island Weather Forecast

    • 20
    • 28

    Showers. Possible storm

    • 20
    • 28

    Cloudy

    • 20
    • 26

    Shower or two

    • 19
    • 27

    Showers increasing

    • 19
    • 24

    Showers

    • 18
    • 25

    Shower or two

    • 17
    • 26

    Partly cloudy

Today 4 Mar Illawarra

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching the mid to high 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 20 to 25 knots tending northerly 15 to 25 knots before dawn.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
1st Swell
Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Crookhaven River - Haven Island Temperature Statistics View More

March Temperature

Nowra (RAN Air Station) (19km)

  • Lowest 1 March, 2026

    17.2 °C

  • Average March

    20.7 °C

  • Highest 1 March, 2026

    25.2 °C

Climate (2021–Present)

Nowra (RAN Air Station) (19km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    22.4 °C
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