Forecast

Australian Government Bureau of Meteorology
New South Wales

TOP PRIORITY FOR IMMEDIATE BROADCAST

Detailed Severe Thunderstorm Warning
for Intense Rainfall

for Gosford/Wyong and parts of Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Sydney and Wollondilly/Wingecarribee areas.

Issued at 9:10 pm Saturday, 17 January 2026.

INTENSE RAINFALL ABOUT NORTHERN SYDNEY SUBURBS AND CENTRAL COAST.

INTENSE RAINFALL for the following areas:
Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong, Sydney and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 9:05 pm, VERY DANGEROUS THUNDERSTORMS likely to produce heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding were detected near Mona Vale and Wyong. These thunderstorms are moving towards the northwest. They are forecast to affect Hornsby, Woy Woy and Budgewoi by 9:35 pm and Gosford, Calga and the Yengo National Park northwest of St Albans by 10:05 pm.
Another severe thunderstorm likely to produce heavy rainfall that may lead to flash flooding was detected near Camden and Campbelltown. This thunderstorm is slow moving. It is forecast to affect Menangle and Theresa Park by 9:35 pm and Macquarie Fields by 10:05 pm.
133 MM OF RAINFALL WAS RECORDED AT PEARL BEACH IN THE 2 HOURS TO 3:43 PM.
93.5 MM OF RAINFALL WAS RECORDED AT ETTALONG IN THE 1 HOUR TO 2:22 PM.
67 mm was recorded at Cronulla South in the 2 hour to 5:35 pm.
58 mm of rainfall was recorded at East Gosford in the 1 hour to 2:55 pm.
56.6 mm of rainfall was recorded at Gosford in the 1 hour to 2:53 pm.
66 mm of rainfall was recorded at Bensville in the 1 hour to 2:49 pm.
57 mm of rainfall was recorded at Kilcare Heights in the 1 hour to 2:39 pm.
65 mm of rainfall was recorded at Woy Woy in the 1 hour to 2:33 pm.
48.5 mm of rainfall was recorded at Kincumber Mountain in the 30 minutes to 2:30 pm.
71 mm of rainfall was recorded at Koolewong in the 1 hour to 2:26 pm.
62.5 mm of rainfall was recorded at Avalon in the 1 hour to 2:13 pm.

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.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au).
A more general severe thunderstorm warning is also current for the Metropolitan and parts of the Hunter, Illawarra and Central Tablelands districts.
Other warnings may be current.

The next warning is due to be issued by 10:10 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.

Australian Government Bureau of Meteorology
New South Wales

TOP PRIORITY FOR IMMEDIATE BROADCAST

Detailed Severe Thunderstorm Warning
for Intense Rainfall

for Gosford/Wyong and parts of Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Sydney and Wollondilly/Wingecarribee areas.

Issued at 9:10 pm Saturday, 17 January 2026.

INTENSE RAINFALL ABOUT NORTHERN SYDNEY SUBURBS AND CENTRAL COAST.

INTENSE RAINFALL for the following areas:
Blue Mountains/Hawkesbury, Maitland/Cessnock, Greater Newcastle, Gosford/Wyong, Sydney and Wollondilly/Wingecarribee
The Bureau of Meteorology warns that, at 9:05 pm, VERY DANGEROUS THUNDERSTORMS likely to produce heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding were detected near Mona Vale and Wyong. These thunderstorms are moving towards the northwest. They are forecast to affect Hornsby, Woy Woy and Budgewoi by 9:35 pm and Gosford, Calga and the Yengo National Park northwest of St Albans by 10:05 pm.
Another severe thunderstorm likely to produce heavy rainfall that may lead to flash flooding was detected near Camden and Campbelltown. This thunderstorm is slow moving. It is forecast to affect Menangle and Theresa Park by 9:35 pm and Macquarie Fields by 10:05 pm.
133 MM OF RAINFALL WAS RECORDED AT PEARL BEACH IN THE 2 HOURS TO 3:43 PM.
93.5 MM OF RAINFALL WAS RECORDED AT ETTALONG IN THE 1 HOUR TO 2:22 PM.
67 mm was recorded at Cronulla South in the 2 hour to 5:35 pm.
58 mm of rainfall was recorded at East Gosford in the 1 hour to 2:55 pm.
56.6 mm of rainfall was recorded at Gosford in the 1 hour to 2:53 pm.
66 mm of rainfall was recorded at Bensville in the 1 hour to 2:49 pm.
57 mm of rainfall was recorded at Kilcare Heights in the 1 hour to 2:39 pm.
65 mm of rainfall was recorded at Woy Woy in the 1 hour to 2:33 pm.
48.5 mm of rainfall was recorded at Kincumber Mountain in the 30 minutes to 2:30 pm.
71 mm of rainfall was recorded at Koolewong in the 1 hour to 2:26 pm.
62.5 mm of rainfall was recorded at Avalon in the 1 hour to 2:13 pm.

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.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au).
A more general severe thunderstorm warning is also current for the Metropolitan and parts of the Hunter, Illawarra and Central Tablelands districts.
Other warnings may be current.

The next warning is due to be issued by 10:10 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.

Australian Government Bureau of Meteorology
New South Wales

TOP PRIORITY FOR IMMEDIATE BROADCAST

Severe Thunderstorm Warning
for Heavy, Locally Intense Rainfall

for Metropolitan and parts of Hunter, Illawarra and Central Tablelands Forecast Districts.

Issued at 8:32 pm Saturday, 17 January 2026.

HEAVY TO LOCALLY INTENSE RAINFALL ABOUT SYDNEY METROPOLITAN AND CENTRAL COAST

Weather Situation
A trough along central parts of the coast is generating areas of showers and isolated thunderstorms, with some of these delivering heavy to intense rainfall.
HEAVY, LOCALLY INTENSE RAINFALL for the following areas:
Hunter, Metropolitan, Illawarra and Central Tablelands
VERY DANGEROUS THUNDERSTORMS are likely to produce heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding in the warning area over the next several hours. Locations which may be affected include Gosford, Sydney, Wollongong, Campbelltown, Morisset and Wyong.
82.5MM OF RAINFALL WAS RECORDED AT PEARL BEACH IN THE 1 HOUR TO 2:34 PM.
91.5MM OF RAINFALL WAS RECORDED AT ETTALONG IN THE 1 HOUR TO 2:19 PM.
67 mm was recorded at Cronulla South in the 2 hour to 5:35 pm.
57 mm of rainfall was recorded at Kilcare Heights in the 1 hour to 2:34 pm.
65 mm of rainfall was recorded at Bensville in the 1 hour to 2:34 pm.
65 mm of rainfall was recorded at Woy Woy in the 1 hour to 2:33 pm.
71 mm of rainfall was recorded at Koolewong in the 1 hour to 2:26 pm.
62.5mm of rainfall was recorded at Avalon in the 1 hour to 2:13 pm.
49mm of rainfall was recorded at Medlow Bath in the 2 hours to 11:30 am.
48mm of rainfall was recorded at Blackheath in the 60 min to 11 am.
35mm of rainfall was recorded at North Parramatta in the 30 min to 8:27 am.

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.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au).

The next warning is due to be issued by 11:35 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.

Australian Government Bureau of Meteorology
New South Wales

TOP PRIORITY FOR IMMEDIATE BROADCAST

Severe Thunderstorm Warning
for Heavy, Locally Intense Rainfall

for Metropolitan and parts of Hunter, Illawarra and Central Tablelands Forecast Districts.

Issued at 8:32 pm Saturday, 17 January 2026.

HEAVY TO LOCALLY INTENSE RAINFALL ABOUT SYDNEY METROPOLITAN AND CENTRAL COAST

Weather Situation
A trough along central parts of the coast is generating areas of showers and isolated thunderstorms, with some of these delivering heavy to intense rainfall.
HEAVY, LOCALLY INTENSE RAINFALL for the following areas:
Hunter, Metropolitan, Illawarra and Central Tablelands
VERY DANGEROUS THUNDERSTORMS are likely to produce heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding in the warning area over the next several hours. Locations which may be affected include Gosford, Sydney, Wollongong, Campbelltown, Morisset and Wyong.
82.5MM OF RAINFALL WAS RECORDED AT PEARL BEACH IN THE 1 HOUR TO 2:34 PM.
91.5MM OF RAINFALL WAS RECORDED AT ETTALONG IN THE 1 HOUR TO 2:19 PM.
67 mm was recorded at Cronulla South in the 2 hour to 5:35 pm.
57 mm of rainfall was recorded at Kilcare Heights in the 1 hour to 2:34 pm.
65 mm of rainfall was recorded at Bensville in the 1 hour to 2:34 pm.
65 mm of rainfall was recorded at Woy Woy in the 1 hour to 2:33 pm.
71 mm of rainfall was recorded at Koolewong in the 1 hour to 2:26 pm.
62.5mm of rainfall was recorded at Avalon in the 1 hour to 2:13 pm.
49mm of rainfall was recorded at Medlow Bath in the 2 hours to 11:30 am.
48mm of rainfall was recorded at Blackheath in the 60 min to 11 am.
35mm of rainfall was recorded at North Parramatta in the 30 min to 8:27 am.

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.
* Stay indoors away from windows, and keep children and pets indoors as well.
For emergency help in flood and storms, ring the SES on 132 500.
Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.act.gov.au).

The next warning is due to be issued by 11:35 pm.
Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.