Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 15
    • 23

    Possible storm

    • 12
    • 25

    Sunny

    • 13
    • 23

    Possible shower

    • 13
    • 26

    Shower or two

    • 13
    • 20

    Shower or two

    • 12
    • 21

    Cloudy

    • 9
    • 23

    Sunny

Today 3 Oct Central Coast

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northerly below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm with possible squalls.
Weather Situation
A low pressure trough is moving along the central coastal waters and will clear the Sydney Waters late this evening into early Sunday, as a ridge builds from the west. A cold front is forecast to cross southeast NSW during late Tuesday, bringing a gusty southerly change along the Sydney coast from late Tuesday into Wednesday morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Koolewong South Boat Ramp Temperature Statistics View More

October Temperature

Mangrove Mountain (21km)

  • Lowest 2 October, 2026

    14.1 °C

  • Average October

    19.6 °C

  • Highest 1 October, 2026

    29.3 °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

    23 °C
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