Avalon Beach Offshore Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 12
    • 17

    Possible shower

    • 13
    • 18

    Partly cloudy

    • 13
    • 20

    Partly cloudy

    • 14
    • 22

    Mostly sunny

    • 15
    • 24

    Mostly sunny

    • 17
    • 26

    Shower or two

Today 9 Sep Sydney

Partly cloudy. Slight chance of a shower in the late morning and afternoon. Light winds becoming southwesterly 15 to 20 km/h in the morning then tending southerly 30 to 45 km/h in the middle of the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northwesterly 10 to 15 knots shifting southerly 20 to 25 knots in the middle of the day. Winds reaching up to 30 knots during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 2.5 to 3 metres during the afternoon.
1st Swell
Southerly 1 to 2 metres, increasing to 2.5 to 3 metres later in the evening.
Weather
Partly cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Avalon Beach Offshore Temperature Statistics View More

September Temperature

Terrey Hills (18km)

  • Lowest 8 September, 2026

    9.7 °C

  • Average September

    17.5 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (18km)

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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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