Brisbane Water - Rileys Island Weather Forecast

    • 4
    • 18

    Mostly sunny

    • 6
    • 19

    Showers increasing

    • 8
    • 18

    Morning showers

    • 9
    • 20

    Sunny

    • 7
    • 19

    Possible shower

    • 7
    • 18

    Sunny

    • 5
    • 19

    Mostly sunny

Today 8 Aug Central Coast

Mostly sunny. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly below 10 knots becoming east to northeasterly in the middle of the day then becoming northerly in the late evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A slow-moving high pressure system over NSW extends a ridge over Sydney Waters. As the high drifts east, a cold front and trough are forecast to cross the coastal waters during Sunday and Monday, bringing fresh north to northwesterly winds in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Rileys Island Temperature Statistics View More

August Temperature

Mangrove Mountain (25km)

  • Lowest 5 August, 2026

    0.4 °C

  • Average August

    9 °C

  • Highest 3 August, 2026

    19.6 °C

Climate (2021–2026)

Mangrove Mountain (25km)

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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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