Brisbane Water - Rileys Island Weather Forecast

    • 17
    • 26

    Partly cloudy

    • 16
    • 33

    Sunny

    • 21
    • 35

    Sunny morning. Possible storm

    • 20
    • 31

    Shower or two. Possible storm

    • 20
    • 37

    Shower or two. Possible storm

    • 20
    • 31

    Partly cloudy

    • 19
    • 30

    Shower or two

Today 17 Dec Central Coast

Partly cloudy. Light winds becoming northeasterly 20 to 30 km/h in the morning.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly about 10 knots increasing to 15 to 20 knots in the middle of the day.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high in the Bight is extending a ridge across Sydney Local Waters while heading eastwards. Easterly winds on Sydney Local Waters will turn north to northeasterly as the system moves east across southeast Australia and reaches the Tasman Sea today. Then, a cold front will brush along the coast, bringing a brief southerly change to Sydney Local Waters on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Rileys Island Temperature Statistics View More

December Temperature

Mangrove Mountain (25km)

  • Lowest 2 December, 2025

    7.3 °C

  • Average December

    20.6 °C

  • Highest 6 December, 2025

    40.3 °C

Climate (2020–Present)

Mangrove Mountain (25km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16.1 °C

  • Average High 2020–2025

    22.8 °C
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