Hawkesbury River (Sandbrook Inlet) - Long Island Marina Weather Forecast

    • 6
    • 23

    Sunny

    • 11
    • 28

    Sunny

    • 11
    • 29

    Sunny

    • 15
    • 28

    Becoming cloudy

    • 13
    • 19

    Shower or two

    • 13
    • 22

    Possible shower

    • 12
    • 25

    Mostly sunny

Today 18 Sep Central Coast

The chance of fog early this morning. Sunny afternoon. Light winds becoming northeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming east to northeasterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the late afternoon.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system over the state is extending a strong ridge lies over Sydney Local Waters. Light winds are forecast as the high moves over the Tasman Sea late Sunday. A southerly change is forecast to cross Sydney on Monday bringing fresh and gusty winds.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hawkesbury River (Sandbrook Inlet) - Long Island Marina Temperature Statistics View More

September Temperature

Terrey Hills (16km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    15.9 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (16km)

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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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