Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Detailed Severe Thunderstorm Warning
for Heavy Rainfall
for parts of Greater Wollongong and Wollondilly/Wingecarribee areas.
Issued at 10:42 am Friday, 12 December 2025.
Heavy rainfall occurring with showers and thunderstorms.
HEAVY RAINFALL for the following areas:
Wollondilly/Wingecarribee and Greater Wollongong
The Bureau of Meteorology warns that, at 10:40 am, severe thunderstorms likely to produce heavy rainfall that may lead to flash flooding were detected near Lake Avon, Albion Park, Stanwell Park and waters off Stanwell Park. They are forecast to affect Jamberoo and Darkes Forest by 10:55 am and Thirroul and waters off Thirroul by 11:10 am.
Cancellation for the following areas:
Blue Mountains/Hawkesbury,Sydney
The State Emergency Service advises that people should:
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
A more general severe thunderstorm warning is also current for parts of the Metropolitan and Illawarra districts.
The next warning is due to be issued by 11:15 am.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Bundabah (32.6622°S, 152.0741°E, 20m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers in the afternoon and early evening. A thunderstorm likely in the afternoon and early evening, possibly severe with heavy rain which may lead to flash flooding near the coast in the afternoon. Light winds becoming E/SE 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures 22 to 27.
Forecast for Bundabah (32.6622°S, 152.0741°E, 20m AMSL) Fri Sat Sun Mon Tue Wed Thu Summary 
Minimum 19° 18° 20° 20° 19° 19° 17° Maximum 22° 24° 27° 21° 20° 21° 23° Chance of rain 90% 70% 60% 40% 30% 40% 5% Likely amount 1-5mm 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate Moderate Moderate Moderate - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 12
(km/h)17
(km/h)9
(km/h)22
(km/h)9
(km/h)16
(km/h)23
(km/h)23
(km/h)21
(km/h)20
(km/h)13
(km/h)17
(km/h)7
(km/h)19
(km/h)Wind direction E ENE N ENE NNW NE S SSE SSE SSE ESE ESE ENE E Relative humidity 82% 80% 77% 71% 78% 59% 78% 69% 65% 61% 63% 61% 64% 61% Dew point 18°C 18°C 17°C 19°C 19°C 18°C 16°C 15°C 13°C 13°C 13°C 14°C 14°C 15°C -
Sunrise and sunset times
Sunrise / Sunset for Bundabah (32.6622°S, 152.0741°E, 20m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter 5:09am EDT 5:37am EDT 7:53pm EDT 8:22pm EDT 12:53am EDT 12:53pm EDT 
3rd quarter
Last quarter Dec 12 New moon Dec 20 First quarter Dec 28 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
