Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 16
    • 27

    Sunny

    • 10
    • 22

    Sunny

    • 12
    • 30

    Windy. Mostly sunny

    • 12
    • 22

    Sunny

    • 9
    • 22

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 9
    • 20

    Shower or two

Today 3 Sep Central Coast

Slight chance of a shower in the early morning. Sunny day. Winds northwesterly 25 to 35 km/h tending westerly in the middle of the day then decreasing to 15 to 20 km/h in the late afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northwesterly 10 to 15 knots tending westerly in the morning.
Seas
Below 0.5 metres.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Koolewong South Boat Ramp Temperature Statistics View More

September Temperature

Mangrove Mountain (21km)

  • Lowest 1 September, 2026

    6.6 °C

  • Average September

    16.6 °C

  • Highest 1 September, 2026

    25.2 °C

Climate (2021–2026)

Mangrove Mountain (21km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    22.9 °C
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