Lake Illawarra - Reddall Reserve Boat Ramp Weather Forecast

    • 18
    • 28

    Mostly sunny

    • 17
    • 31

    Sunny day. Late shower or two

    • 17
    • 19

    Shower or two

    • 15
    • 20

    Possible shower

    • 13
    • 21

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 15
    • 27

    Sunny

Today 23 Dec Wollongong

Partly cloudy. Medium chance of showers. Light winds becoming south to southwesterly 20 to 30 km/h in the morning then turning southeasterly 25 to 40 km/h in the early afternoon.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly 15 to 20 knots in the morning then tending southeasterly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots offshore in the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.
Weather Situation
Winds tending variable for a time during the morning before a southerly change arrives today. Winds will briefly turn northerly before a high pressure system builds in the Bight, directing another, stronger, southerly change over NSW coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Reddall Reserve Boat Ramp Temperature Statistics View More

December Temperature

Illawarra Regional Airport (7km)

  • Lowest 1 December, 2025

    7.4 °C

  • Average December

    21.3 °C

  • Highest 5 December, 2025

    37.9 °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

    22.7 °C
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