Brisbane Water - Byalla Lane Wharf Weather Forecast

    • 12
    • 21

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 12
    • 28

    Mostly sunny

    • 14
    • 30

    Mostly sunny

    • 14
    • 20

    Shower or two

    • 13
    • 21

    Shower or two

    • 12
    • 22

    Partly cloudy

Today 23 Sep Central Coast

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds northeasterly 20 to 30 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southeasterly 15 to 20 knots shifting north to northeasterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea directs an east to northeasterly flow through the Sydney Waters. Winds will freshen and tend more north to northeasterly on Thursday and Friday as the high slips further to the east. A cold front and trough will then enter the Tasman Sea during the weekend, bringing a southerly change that will pass through the Sydney Waters late on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Byalla Lane Wharf Temperature Statistics View More

September Temperature

Mangrove Mountain (23km)

  • Lowest 11 September, 2026

    4.4 °C

  • Average September

    15.3 °C

  • Highest 21 September, 2026

    33.9 °C

Climate (2021–2026)

Mangrove Mountain (23km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    23 °C
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