Avalon Beach Offshore Weather Forecast

    • 15
    • 20

    Partly cloudy

    • 16
    • 21

    Partly cloudy

    • 17
    • 22

    Partly cloudy

    • 16
    • 24

    Sunny

    • 17
    • 26

    Mostly sunny

    • 20
    • 24

    Cloudy

    • 20
    • 25

    Cloudy

Today 27 Dec Sydney

Mostly clear. Slight chance of a shower along the coastal fringe later tonight. Near zero chance of rain elsewhere. Winds southeasterly 20 to 30 km/h turning south to southwesterly 15 to 20 km/h in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots.
Seas
1 to 1.5 metres.
1st Swell
Southerly 2 metres.
Weather
Partly cloudy.
Weather Situation
Southerly winds are prevailing as a strong high pressure system near Tasmania extends a ridge over the coastal waters. Winds are forecast to remain southerly for the remainder of the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Avalon Beach Offshore Temperature Statistics View More

December Temperature

Terrey Hills (18km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    21.5 °C

  • Highest 19 December, 2025

    40.2 °C

Climate (2020–Present)

Terrey Hills (18km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.8 °C
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