Blackwattle Bay Marina Weather Forecast

    • 10
    • 18

    Mostly clear

    • 11
    • 20

    Partly cloudy

    • 11
    • 21

    Partly cloudy

    • 13
    • 23

    Sunny

    • 13
    • 27

    Mostly sunny

    • 16
    • 24

    Shower or two

    • 13
    • 19

    Partly cloudy

Today 10 Sep Sydney

Mostly clear. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southwesterly about 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A fresh southerly flow will ease during tonight as a high pressure ridge begins to strengthen from the west. Winds will tend more northeasterly shift across Sydney Waters as the high moves over the Tasman Sea during the weekend, tending fresh on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blackwattle Bay Marina Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 9 September, 2026

    9.8 °C

  • Average September

    18.2 °C

  • Highest 5 September, 2026

    32.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (2km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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