Wattamolla Beach Weather Forecast

    • 15
    • 20

    Partly cloudy

    • 16
    • 21

    Possible shower

    • 17
    • 23

    Partly cloudy

    • 17
    • 25

    Mostly sunny

    • 18
    • 27

    Partly cloudy

    • 19
    • 24

    Possible shower

    • 19
    • 25

    Cloudy

Today 27 Dec Sydney

Partly cloudy. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds south to southwesterly 15 to 20 km/h tending south to southeasterly 20 to 30 km/h in the morning then tending south to southwesterly 15 to 20 km/h in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southerly 1.5 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
Southerly winds are prevailing as a strong high pressure system near Tasmania extends a ridge over the coastal waters. Winds are forecast to remain southerly into the weekend, while gradually easing, as the high slowly moves southeast, entering the southern Tasman Sea by the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wattamolla Beach Temperature Statistics View More

December Temperature

Sydney Airport (21km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.1 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (21km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.7 °C

  • Average High 2020–2025

    23.4 °C
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