Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 9
    • 26

    Mostly clear

    • 12
    • 30

    Sunny

    • 14
    • 28

    Partly cloudy

    • 14
    • 24

    Shower or two

    • 13
    • 26

    Partly cloudy

    • 13
    • 25

    Possible shower

    • 13
    • 27

    Shower or two

Today 30 Sep Central Coast

Mostly clear. Winds northerly 15 to 20 km/h.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northerly about 10 knots.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the Sydney waters. A trough will cross the Sydney waters late on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Koolewong South Boat Ramp Temperature Statistics View More

September Temperature

Mangrove Mountain (21km)

  • Lowest 11 September, 2026

    4.4 °C

  • Average September

    15.5 °C

  • Highest 21 September, 2026

    33.9 °C

Climate (2021–2026)

Mangrove Mountain (21km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    23 °C
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