Hawkesbury River - Marramarra Creek Entrance Weather Forecast

    • 14
    • 25

    Sunny day. Shower or two

    • 9
    • 16

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 5
    • 23

    Sunny

    • 7
    • 28

    Sunny

    • 9
    • 29

    Sunny

    • 13
    • 26

    Becoming cloudy

Today 15 Sep Central Coast

Sunny day. Medium chance of showers, most likely this evening. Light winds becoming south to southeasterly 15 to 25 km/h in the middle of the day then becoming southerly 25 to 35 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeast to southwesterly 15 to 20 knots tending southerly 20 to 30 knots in the evening then decreasing to 15 to 25 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Sunny day. 50% chance of showers late this afternoon and evening.
Weather Situation
A cold front looks set to bring southerly winds to Sydney Waters today. After this, southerly winds will persist through to Thursday as new ridge of high pressure extends across from the west, and then ease on Friday as the high becomes more predominant.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hawkesbury River - Marramarra Creek Entrance Temperature Statistics View More

September Temperature

Terrey Hills (20km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.2 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (20km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    21.9 °C
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