Lake Illawarra - Entrance Weather Forecast

    • 15
    • 24

    Showers

    • 10
    • 16

    Windy. Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 8
    • 24

    Sunny

    • 15
    • 28

    Sunny

    • 13
    • 30

    Sunny

    • 17
    • 25

    Shower or two

Today 15 Sep Wollongong

Cloudy. High chance of showers. Winds southerly 25 to 35 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 20 to 30 knots.
Seas
Around 1 metre, increasing to 2 to 3 metres by early evening.
1st Swell
Southerly around 1 metre, increasing to 1.5 to 2 metres by early evening.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A trough and a cold front systems are crossing the coastal waters today into early Wednesday, with strong to gale-force southerly winds and large powerful waves in its wake. Winds and waves will gradually ease from late Thursday onwards as a high pressure system moves across the state later in the week into the weekend, while extending a ridge across the coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Entrance Temperature Statistics View More

September Temperature

Illawarra Regional Airport (8km)

  • Lowest 9 September, 2026

    4.9 °C

  • Average September

    15.7 °C

  • Highest 5 September, 2026

    31.1 °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

    22.8 °C
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