Big Marley Beach Weather Forecast

    • 14
    • 19

    Shower or two

    • 15
    • 19

    Showers easing

    • 17
    • 20

    Showers

    • 16
    • 21

    Shower or two

    • 16
    • 20

    Shower or two

    • 14
    • 18

    Showers

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    Shower or two

Today 21 May Sydney

Partly cloudy. High chance of showers along the coastal fringe, medium chance elsewhere. Winds south to southwesterly 20 to 30 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 20 to 25 knots, reaching up to 30 knots during the morning and early afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A high is drifting across southeast Australia, while a low lingers offshore in the Tasman Sea, whipping fresh to strong southerly winds and large, powerful waves along much of the coastline for the remainder of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Marley Beach Temperature Statistics View More

May Temperature

Sydney Airport (19km)

  • Lowest 8 May, 2026

    9.6 °C

  • Average May

    17.8 °C

  • Highest 3 May, 2026

    25.6 °C

Climate (2021–Present)

Sydney Airport (19km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
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