Mackenzies Bay Weather Forecast

    • 16
    • 23

    Clear

    • 17
    • 23

    Partly cloudy

    • 19
    • 21

    Possible shower

    • 18
    • 23

    Cloudy

    • 19
    • 25

    Partly cloudy

    • 20
    • 28

    Shower or two

    • 21
    • 27

    Shower or two

Today 30 Dec Sydney

Mostly sunny. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
East to northeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southeasterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Clear.
Weather Situation
A weakening high pressure ridge extends east to northeasterly winds over coastal waters. A trough will brush the coastal waters overnight, bringing a surge of fresh southerly winds along the coast, followed by another ridge extending from a high passing to the south of the state, gradually turning winds northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mackenzies Bay Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.3 °C

  • Highest 19 December, 2025

    42.2 °C

Climate (2020–Present)

Sydney (Observatory Hill) (7km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    23.5 °C
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