Merries Reef Weather Forecast

    • 18
    • 21

    Cloudy

    • 19
    • 23

    Partly cloudy

    • 19
    • 28

    Sunny

    • 22
    • 33

    Partly cloudy

    • 22
    • 30

    Shower or two. Possible storm

    • 22
    • 31

    Shower or two

    • 21
    • 29

    Possible shower

Today 16 Dec Sydney

Cloudy. Medium chance of showers, most likely in the morning. Winds southeasterly 15 to 20 km/h becoming light in the early morning then becoming easterly 15 to 25 km/h in the middle of the day.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southeasterly 10 to 15 knots turning easterly during the morning.
Seas
Around 1 metre.
1st Swell
Southerly 2 to 2.5 metres.
Weather
Cloudy.
Caution
Surf conditions may be more powerful than they appear and are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merries Reef Temperature Statistics View More

December Temperature

Sydney Airport (11km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    22.5 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (11km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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