Big Marley Beach Weather Forecast

    • 19
    • 21

    Shower or two

    • 19
    • 25

    Partly cloudy

    • 21
    • 25

    Shower or two

    • 21
    • 25

    Showers. Storm developing

    • 21
    • 23

    Showers

    • 20
    • 22

    Shower or two. Possible storm

    • 19
    • 22

    Shower or two

Today 12 Jan Sydney

Cloudy. Medium chance of showers, most likely during the morning and afternoon. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly 15 to 25 km/h in the morning then becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
East to southeasterly 10 to 15 knots turning northeasterly during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Cloudy.
Weather Situation
Coastal winds remain mostly east to northeasterly as a ridge extends up the New South Wales coast. By the end of the week, winds will become more south easterly was a trough and low pressure system moves off the coast and in to the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Marley Beach Temperature Statistics View More

January Temperature

Sydney Airport (19km)

  • Lowest 2 January, 2026

    17.2 °C

  • Average January

    23.9 °C

  • Highest 10 January, 2026

    42.7 °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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