Dee Beach Weather Forecast

    • 12
    • 18

    Clear

    • 10
    • 23

    Possible shower

    • 15
    • 19

    Mostly sunny

    • 10
    • 20

    Mostly sunny

    • 13
    • 19

    Showers increasing

    • 9
    • 16

    Shower or two. Windy

    • 10
    • 19

    Sunny

Today 18 Sep South Coast

Mostly clear. Winds northeasterly 15 to 25 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 20 knots tending north to northwesterly in the evening. Winds reaching up to 25 knots offshore north of Port Kembla in the late evening.
Seas
Around 1 metre, increasing to 1.5 metres offshore later in the evening.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
In the wake of a cold front, south to southwesterly winds will tend northerly and strengthen today as a high pressure system drifts across the coastal waters. Winds will shift west to southwesterly again over the weekend as a stronger cold front moves over NSW coastal waters, with southwesterly winds persisting into early next week as a series of fronts brush the south of the state.
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  • Temperature Forecast Bureau of Meteorology

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Dee Beach Temperature Statistics View More

September Temperature

Ulladulla (14km)

  • Lowest 12 September, 2025

    7.3 °C
  • Average September

    16 °C
  • Highest 16 September, 2025

    27.8 °C

Climate (2020–Present)

Ulladulla (14km)

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  • Average Low 2020–2025

    13.8 °C
  • Average 2020–2025

    17 °C
  • Average High 2020–2025

    20.8 °C
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