Wollongong Harbour Weather Forecast

    • 17
    • 29

    Sunny

    • 19
    • 25

    Shower or two

    • 14
    • 17

    Shower or two

    • 15
    • 20

    Shower or two

    • 16
    • 23

    Partly cloudy

    • 16
    • 26

    Mostly sunny

    • 18
    • 28

    Partly cloudy

Today 20 Sep Wollongong

Sunny. Light winds becoming northwesterly 20 to 30 km/h in the morning.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming northerly 10 to 15 knots in the morning then tending northwesterly in the evening. Winds reaching up to 20 knots offshore south of Point Perpendicular during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters and reaching the QLD border by Tuesday. A new high pressure system is forecast to slip south during early to mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wollongong Harbour Temperature Statistics View More

September Temperature

Bellambi (6km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    17 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (6km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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