Semi-detached Point Weather Forecast

    • 12
    • 22

    Clear

    • 13
    • 32

    Windy. Partly cloudy

    • 13
    • 22

    Sunny

    • 12
    • 21

    Partly cloudy

    • 12
    • 18

    Partly cloudy

    • 10
    • 19

    Shower or two

    • 10
    • 17

    Partly cloudy

Today 4 Sep Sydney

Sunny. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the middle of the day then tending northwest to northeasterly in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Mostly sunny.
Weather Situation
South to southwesterly winds as a high pressure system centred over the state moves east into the Tasman Sea. A weak trough developing over the southern waters today brings northeasterly winds to the southern coasts. North to northwesterly winds redevelop across the state's coast ahead of a vigorous cold front crossing the waters late Saturday into Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semi-detached Point Temperature Statistics View More

September Temperature

Bellambi (23km)

  • Lowest 1 September, 2026

    12.6 °C

  • Average September

    20.3 °C

  • Highest 2 September, 2026

    27.5 °C

Climate (2021–2026)

Bellambi (23km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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