Lake Illawarra - Reddall Reserve Boat Ramp Weather Forecast

    • 11
    • 20

    Clear

    • 11
    • 24

    Possible late shower

    • 15
    • 20

    Mostly sunny

    • 10
    • 21

    Mostly sunny

    • 13
    • 22

    Shower or two developing

    • 9
    • 17

    Shower or two. Windy

    • 10
    • 20

    Sunny

Today 18 Sep Wollongong

Clear. Winds north to northeasterly 15 to 25 km/h turning west to northwesterly 15 to 20 km/h in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 20 knots tending north to northwesterly in the evening. Winds reaching up to 25 knots offshore north of Port Kembla in the late evening.
Seas
Around 1 metre, increasing to 1.5 metres offshore later in the evening.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Mostly clear.
Weather Situation
In the wake of a cold front, south to southwesterly winds will tend northerly and strengthen today as a high pressure system drifts across the coastal waters. Winds will shift west to southwesterly again over the weekend as a stronger cold front moves over NSW coastal waters, with southwesterly winds persisting into early next week as a series of fronts brush the south of the state.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Reddall Reserve Boat Ramp Temperature Statistics View More

September Temperature

Illawarra Regional Airport (7km)

  • Lowest 1 September, 2025

    5 °C
  • Average September

    15.5 °C
  • Highest 8 September, 2025

    29.4 °C

Climate (2020–Present)

Illawarra Regional Airport (7km)

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  • Average Low 2020–2025

    12.4 °C
  • Average 2020–2025

    17.1 °C
  • Average High 2020–2025

    22.6 °C
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