Big Marley Beach Weather Forecast

    • 18
    • 24

    Mostly sunny

    • 21
    • 30

    Possible shower

    • 21
    • 24

    Shower or two

    • 21
    • 24

    Possible shower

    • 21
    • 24

    Cloudy

    • 21
    • 24

    Cloudy

    • 22
    • 26

    Cloudy

Today 21 Jan Sydney

Mostly sunny morning. The chance of a thunderstorm in the outer west this afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots south of Point Perpendicular in the afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre around midday.
1st Swell
Easterly 1 to 1.5 metres, increasing to 1.5 to 2 metres north of Point Perpendicular.
Weather
Mostly sunny.
Weather Situation
A broad high pressure ridge extends along the coast from a high in the southern Tasman Sea. Then, a trough will move across much of the coast on Wednesday as a gusty southerly change, reaching Sydney Waters as a southerly buster Wednesday afternoon, before another system moves across later this week.
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  • Temperature Forecast Bureau of Meteorology

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Big Marley Beach Temperature Statistics View More

January Temperature

Sydney Airport (19km)

  • Lowest 20 January, 2025

    15.3 °C

  • Average January

    22.7 °C

  • Highest 6 January, 2025

    32.7 °C

Climate (2020–Present)

Sydney Airport (19km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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