Australian Government Bureau of Meteorology, New South Wales
Minor To Moderate Flood Warning For The Williams River
Issued at 06:20 AM EST on Monday 28 April 2025
Flood Warning Number: 4
MODERATE FLOODING EXPECTED AT MILL DAM FALLS EARLY MONDAY MORNING
MINOR FLOODING OCCURRING AT DUNGOG
Heavy rainfall during Saturday and Sunday has caused river level rises along the Williams River. Minor flooding is occurring at Dungog. At Mill Dam Falls, minor flooding is occurring and moderate flooding is expected from early Monday morning.
No significant rainfall is expected across the Williams River catchment during Monday.
The situation is being closely monitored and this warning will be updated as required.
Williams River:
Moderate flooding is expected along the Williams River.
The Williams River at Dungog peaked at 6.69 metres around 11:00 pm Sunday 27 April and is currently at 5.56 metres and falling, above the minor flood level (4.90 m).
The Williams River at Dungog may fall below the minor flood level (4.90 m) late Monday morning.
The Williams River at Mill Dam Falls is currently at 7.59 metres and rising, above the minor flood level (6.10 m).
The Williams River at Mill Dam Falls is expected to exceed the moderate flood level (7.60 m) early Monday morning. The river level may peak near 7.70 metres Monday morning.
Flood Safety Advice:
In life threatening emergencies, call 000 (triple zero) immediately. If you require rescue, assistance to evacuate or other emergency help, ring NSW SES on 132 500.
* Avoid drowning. Stay out of rising water, seek refuge in the highest available place.
* Prevent damage to your vehicle. Move it under cover, away from areas likely to flood.
* Avoid being swept away. Stay out of fast-flowing creeks and storm drains.
* Never drive, ride or walk through flood water. Flood water can be deceptive and dangerous.}
For more emergency information, advice, and access to the latest river heights and rainfall observations and forecasts:
* NSW SES: www.ses.nsw.gov.au
* RMS Live Traffic: www.livetraffic.com
* Latest River Heights and Rainfall Observations: www.bom.gov.au/nsw/flood/midnorth.shtml
* Latest NSW Warnings: www.bom.gov.au/nsw/warnings/
* Rainfall Forecasts: www.bom.gov.au/australia/meteye/
* BOM NSW Twitter: www.twitter.com/BOM_NSW
Next issue:
The next warning will be issued by 03:30 pm EST on Monday 28 April 2025.
Latest River Heights:
Williams River at Dungog,5.56,Falling,05:45 AM MON 28/04/25
Williams River at Mill Dam Falls,7.59,Rising,05:00 AM MON 28/04/25
Allyn River at Halton,2.00,Falling,05:45 AM MON 28/04/25
Paterson River at Gostwyck Bridge,7.81,Falling,06:00 AM MON 28/04/25
This advice is also available by dialling 1300 659 210. Warning, rainfall and river information are available at www.bom.gov.au/nsw/flood. The latest weather forecast is available at www.bom.gov.au/nsw/forecasts.
Local Weather
Mangrove Mountain (33.3008°S, 151.1917°E, 283m AMSL) set as my default location ›
-
Current Conditions
Currently at Mangrove Mt 15.1°- Dew point
- 14.6°
- Relative humidity
- 97%
- feels like
- 15.5°
- Wind
- S 6km/h
- Rainfall since 9am
- 58.0mm
-
Radar
-
7 day forecast
Today: Partly cloudy. The chance of fog about the Upper Hunter early this morning. Very high chance of showers along the coastal fringe, medium chance elsewhere, becoming less likely later in the day. Winds S/SW 15 to 25 km/h tending S/SE 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures between 19 and 24.
Forecast for Mangrove Mountain (33.3008°S, 151.1917°E, 283m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary Minimum 15° 14° 14° 12° 11° 12° 12° Maximum 20° 22° 16° 16° 16° 18° 19° Chance of rain 70% 80% 90% 90% 80% 70% 70% Likely amount < 1mm 10-20mm 10-20mm 5-10mm 1-5mm 1-5mm 1-5mm UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate Fire Danger Rating No Rating No Rating No Rating No Rating - - - 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 16
(km/h)14
(km/h)6
(km/h)8
(km/h)15
(km/h)18
(km/h)15
(km/h)15
(km/h)10
(km/h)11
(km/h)7
(km/h)9
(km/h)4
(km/h)8
(km/h)Wind direction SW SSW WSW SSE SW SSW SSW S SW S SW SE SW ESE Relative humidity 86% 70% 82% 75% 91% 78% 87% 79% 88% 76% 84% 69% 85% 69% Dew point 16°C 15°C 15°C 15°C 14°C 12°C 12°C 11°C 12°C 12°C 12°C 12°C 14°C 13°C -
Sunrise and sunset times
Sunrise / Sunset for Mangrove Mountain (33.3008°S, 151.1917°E, 283m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 6:01am EST 6:26am EST 5:19pm EST 5:45pm EST 6:40am EST 5:20pm EST New moon
New moon Apr 28 First quarter May 04 Full moon May 13 Last quarter May 20 -
Warnings
-
Temperature in 7 days
-
Rain in 7 days
-
Past 24 Hours
-
Averages
Mean rainfall and temperature