Merries Reef Weather Forecast

    • 14
    • 22

    Sunny

    • 15
    • 25

    Shower or two

    • 17
    • 22

    Sunny day. Late shower or two

    • 12
    • 16

    Shower or two. Windy

    • 11
    • 17

    Shower or two

    • 11
    • 20

    Sunny

    • 12
    • 24

    Sunny

Today 13 Sep Sydney

Patchy fog in the early morning. The chance of smoke haze in the morning and later in the evening. Mostly sunny afternoon. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

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Merries Reef Temperature Statistics View More

September Temperature

Sydney Airport (11km)

  • Lowest 9 September, 2026

    10 °C

  • Average September

    17.7 °C

  • Highest 5 September, 2026

    32.4 °C

Climate (2021–2026)

Sydney Airport (11km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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