Coalcliff Weather Forecast

    • 10
    • 22

    Sunny

    • 17
    • 27

    Sunny

    • 16
    • 29

    Sunny

    • 18
    • 26

    Shower or two

    • 14
    • 18

    Possible shower

    • 15
    • 21

    Possible shower

    • 15
    • 23

    Partly cloudy

Today 18 Sep Wollongong

Sunny. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then shifting west to northwesterly in the late afternoon.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
West to northwesterly below 10 knots tending north to northeasterly 10 to 15 knots in the middle of the day then turning west to northwesterly 15 to 20 knots in the evening. Winds reaching up to 25 knots offshore south of Port Kembla in the late evening.
Seas
Below 1 metre.
1st Swell
Southerly 2 metres.
Weather
Sunny.
Weather Situation
A high pressure system over the state is extending a strong ridge lies over New South Wales Coastal Waters bringing moderate to fresh south to southwesterly winds. The winds weaken as the high moves over the Tasman Sea late Sunday. Behind this a cold front, will brush the southern coastal waters on Monday, leaving a southerly change in its wake. The change is expected to reach the QLD border on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Coalcliff Temperature Statistics View More

September Temperature

Bellambi (14km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    16.7 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (14km)

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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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