Lake Illawarra - Lake Illawarra Boat Ramp (Windang Bridge) Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 9
    • 21

    Cloud clearing

    • 11
    • 26

    Sunny

    • 14
    • 29

    Mostly sunny

    • 17
    • 25

    Showers

    • 15
    • 19

    Shower or two

    • 14
    • 19

    Shower or two

Today 28 Sep Wollongong

Partly cloudy. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the morning then becoming light in the late afternoon.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southeasterly 10 to 15 knots becoming variable about 10 knots in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
Fresh south to southeasterly winds lie over the coastal waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Lake Illawarra Boat Ramp (Windang Bridge) Temperature Statistics View More

September Temperature

Illawarra Regional Airport (8km)

  • Lowest 18 September, 2026

    2.9 °C

  • Average September

    16.5 °C

  • Highest 26 September, 2026

    34.5 °C

Climate (2021–2026)

Illawarra Regional Airport (8km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    17.3 °C

  • Average High 2021–2026

    22.9 °C
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