Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 21
    • 36

    Sunny morning. Possible storm

    • 20
    • 29

    Possible storm

    • 19
    • 38

    Mostly sunny

    • 23
    • 30

    Shower or two

    • 19
    • 30

    Shower or two

    • 18
    • 29

    Possible shower

    • 18
    • 25

    Shower or two

Today 19 Dec Central Coast

Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly below 10 knots becoming east to southeasterly in the morning then tending southerly 10 to 15 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Mostly sunny. The chance of a thunderstorm during this afternoon and early evening.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Sydney local waters. A weak trough will bring a brief southerly change over Sydney local waters today, before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
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

    20.7 °C

  • Highest 6 December, 2025

    40.3 °C

Climate (2020–Present)

Mangrove Mountain (21km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16.1 °C

  • Average High 2020–2025

    22.8 °C
Get WillyWeather+ to remove ads