Brisbane Water - Koolewong South Boat Ramp Weather Forecast

    • 17
    • 23

    Shower or two

    • 18
    • 27

    Partly cloudy

    • 19
    • 27

    Shower or two

    • 19
    • 28

    Shower or two. Possible storm

    • 18
    • 26

    Shower or two

    • 18
    • 23

    Showers. Storm

    • 18
    • 25

    Shower or two

Today 12 Jan Central Coast

Cloudy. Medium chance of showers, becoming less likely later this evening. Winds easterly 15 to 20 km/h becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Easterly 10 to 15 knots tending northeasterly in the late evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A series of high pressure systems passing to the south of the state extends a ridge along New South Wales coast, maintaining onshore east to northeasterly airstream. Then, a trough looks set to develop near the south coast later in the week and brushes Sydney Waters on Friday, bringing fresh to strong southeasterly winds in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Koolewong South Boat Ramp Temperature Statistics View More

January Temperature

Mangrove Mountain (21km)

  • Lowest 3 January, 2026

    13.4 °C

  • Average January

    22.1 °C

  • Highest 10 January, 2026

    40.7 °C

Climate (2021–Present)

Mangrove Mountain (21km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    16.1 °C

  • Average High 2021–2026

    22.9 °C
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