Thirroul Beach Weather Forecast

    • 12
    • 16

    Shower or two

    • 10
    • 16

    Shower or two

    • 10
    • 18

    Mostly sunny

    • 11
    • 16

    Shower or two

    • 11
    • 19

    Sunny

    • 11
    • 18

    Mostly sunny

    • 11
    • 16

    Shower or two

Today 9 Jul Wollongong

Partly cloudy. Medium chance of showers. Winds southerly 15 to 20 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southeasterly 10 to 15 knots decreasing to below 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southeasterly 2 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A strong high pressure system in the Tasman Sea maintains a ridge over the southern half of the coast while a weak trough develops off the northern half of the coast. Winds will gradually ease before turning northerly and freshening from Saturday as the ridge extends over the northern coastal waters. Then, a cold front and trough crosses the coastal waters later in the weekend, bringing fresh westerly winds in it's wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Beach Temperature Statistics View More

July Temperature

Bellambi (5km)

  • Lowest 5 July, 2026

    9.4 °C

  • Average July

    14.5 °C

  • Highest 2 July, 2026

    21.3 °C

Climate (2021–2026)

Bellambi (5km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    21.9 °C
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