Brisbane Water - Rileys Island Weather Forecast

    • 16
    • 32

    Sunny

    • 17
    • 25

    Shower or two

    • 18
    • 23

    Showers. Possible storm

    • 16
    • 23

    Showers. Possible afternoon storm

    • 15
    • 30

    Shower or two developing

    • 17
    • 33

    Mostly sunny

    • 17
    • 27

    Shower or two

Today 9 Dec Central Coast

Mostly sunny. The chance of smoke haze in the morning. Slight chance of a shower in the evening. Light winds becoming east to southeasterly 15 to 25 km/h in the middle of the day then turning southerly 20 to 30 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming east to southeasterly 15 to 20 knots in the early afternoon then turning southerly 20 to 30 knots in the evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A ridge is strengthening over central parts of the coast before a trough will brush central and southern parts of the coast later today and on Wednesday, bringing a southerly change to Sydney waters. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to Sydney Waters.
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

    21.1 °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 °C

  • Average High 2020–2025

    22.8 °C
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