Brisbane Water - Oyster Islet Weather Forecast

    • 11
    • 19

    Cloudy

    • 9
    • 21

    Partly cloudy

    • 9
    • 25

    Sunny

    • 12
    • 30

    Sunny

    • 15
    • 29

    Showers

    • 14
    • 21

    Showers

    • 13
    • 21

    Shower or two

Today 28 Sep Central Coast

Cloudy. Slight chance of a shower, becoming less likely this morning. Winds southeasterly 15 to 20 km/h becoming light in the late afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 10 to 15 knots becoming easterly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy.
Weather Situation
Fresh to strong south to southeasterly winds lie over Sydney Waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly over Sydney waters through to midweek.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Oyster Islet Temperature Statistics View More

September Temperature

Terrey Hills (24km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.7 °C

  • Highest 26 September, 2026

    32.3 °C

Climate (2021–2026)

Terrey Hills (24km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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