Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 16
    • 31

    Cloudy

    • 17
    • 26

    Shower or two

    • 17
    • 23

    Showers. Possible storm

    • 17
    • 24

    Showers

    • 15
    • 31

    Shower or two

    • 17
    • 31

    Mostly sunny

    • 18
    • 27

    Shower or two

Today 9 Dec Central Coast

Partly cloudy. Slight chance of a shower in the evening. Winds east to southeasterly 15 to 25 km/h turning southerly 20 to 30 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
East to southeasterly 10 to 15 knots turning southerly 20 to 30 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough moves up southern and central parts of the coast today, bringing a fresh to strong southerly change to Sydney Waters with it, before anchoring about the Hunter or Sydney coast, and weakening later in the week. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to coastal waters, turning northerly over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Koolewong South Boat Ramp Temperature Statistics View More

December Temperature

Mangrove Mountain (21km)

  • Lowest 2 December, 2025

    7.3 °C

  • Average December

    21.1 °C

  • Highest 6 December, 2025

    40.3 °C

Climate (2020–Present)

Mangrove Mountain (21km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    22.8 °C
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