Cudmirrah Beach Weather Forecast

    • 11
    • 28

    Sunny

    • 17
    • 29

    Mostly sunny

    • 17
    • 24

    Showers

    • 16
    • 21

    Showers. Possible storm

    • 13
    • 22

    Partly cloudy

    • 12
    • 22

    Partly cloudy

    • 13
    • 25

    Sunny morning. Shower or two

Today 30 Sep Illawarra

Sunny. Winds northwest to northeasterly 15 to 25 km/h tending west to northwesterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 24 to 29.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore north of Port Kembla in the evening.
Seas
1.5 to 2 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular.
Weather
Sunny.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cudmirrah Beach Temperature Statistics View More

September Temperature

Ulladulla (21km)

  • Lowest 16 September, 2026

    6.9 °C

  • Average September

    16.4 °C

  • Highest 26 September, 2026

    32.5 °C

Climate (2021–2026)

Ulladulla (21km)

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  • Average Low 2021–2026

    13.9 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21 °C
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