Thirroul Beach Weather Forecast

    • 14
    • 21

    Mostly sunny

    • 16
    • 20

    Possible shower

    • 13
    • 20

    Sunny

    • 12
    • 18

    Shower or two

    • 11
    • 18

    Shower or two

    • 11
    • 17

    Mostly sunny

    • 11
    • 16

    Shower or two

Today 18 Jun Wollongong

Mostly sunny. Light winds becoming northerly 15 to 25 km/h in the middle of the day.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly about 10 knots increasing to 15 to 20 knots in the morning. Winds reaching up to 25 knots offshore south of Port Kembla in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the Tasman Sea is extending ridge across the coastal waters while drifting eastwards, bringing a northwesterly airstream. Winds will become northerly and freshen during today and Friday as a cold front approaches from the west, before turning westerly over the weekend following its passage. Winds then turn southerly on Sunday as a second cold front brushes along the south of the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thirroul Beach Temperature Statistics View More

June Temperature

Bellambi (5km)

  • Lowest 6 June, 2026

    9.8 °C

  • Average June

    16.2 °C

  • Highest 13 June, 2026

    22.4 °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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