Australian Government Bureau of Meteorology, National Water Operations
Final Flood Warning For The Nepean River
Issued at 05:52 AM AEST on Friday 12 September 2025
Flood Warning Number: 13
FLOODING NO LONGER OCCURRING AT MENANGLE
Rainfall has now ceased across the Nepean River catchment and no significant rainfall is forecast for the next few days. The Nepean River fell below the minor flood level at Menangle overnight Thursday into Friday. A small spill is occurring at Warragamba Dam, however the spill is not expected to cause any further flooding downstream.
Upper Nepean River:
Flooding is no longer occurring along the Upper Nepean River.
The Nepean River at Menangle Bridge is currently at 3.84 m and falling, below the minor flood level.
The Nepean River at Menangle Bridge is expected to remain below the minor flood level (5.20 m).
The Nepean River at Wallacia Weir peaked at 2.89 m around 08:45 pm Thursday 11 September, below the minor flood level. The river is currently at 2.35 m and falling, below the minor flood level.
The Nepean River at Wallacia Weir is expected to remain below the minor flood level (5.00 m).
Hawkesbury and Lower Nepean River:
Flooding is no longer expected along the Hawkesbury and Lower Nepean River.
The Hawkesbury River at North Richmond WPS is currently at 2.43 m and approaching a peak, below the minor flood level.
The Hawkesbury River at North Richmond WPS is expected to remain below the minor flood level (3.80 m).
Flood Safety Advice:
Don't drive, walk, swim or play in floodwater because it is dangerous.
Stay away from flooded drains, rivers, streams and waterways.
Obey road closure signs. Plan ahead so you don't drive on flooded roads.
Check the ABC and local media for updates. The situation can change quickly, so stay informed.
For local emergency management warnings and advice visit www.ses.nsw.gov.au.}
For emergency assistance call SES on telephone number 132 500. In life-threatening emergencies, call 000 (triple zero) immediately.
Next issue:
This is a final warning. No further warnings will be issued for this event.
Latest River Heights:
Wollondilly River at Jooriland,3.24,falling,1:45 am Fri 12/09/25
Nattai River at The Causeway,0.52,steady,4:45 am Fri 12/09/25
Warragamba River at Warragamba Dam,0.14,steady,5:30 am Fri 12/09/25
Nepean River at Menangle Bridge,3.84,falling,5:45 am Fri 12/09/25
Nepean River at Camden Weir,2.92,falling,5:43 am Fri 12/09/25
Nepean River at Wallacia Weir,2.35,falling,5:30 am Fri 12/09/25
Nepean River at Penrith,2.48,rising,5:30 am Fri 12/09/25
Nepean River at Yarramundi,3.29,steady,5:30 am Fri 12/09/25
Hawkesbury River at North Richmond WPS,2.43,steady,5:30 am Fri 12/09/25
Hawkesbury River at Windsor PWD,2.33,steady,5:30 am Fri 12/09/25
Colo River at Upper Colo SWC,1.56,steady,4:45 am Fri 12/09/25
Macdonald River at St Albans,0.57,steady,4:17 am Fri 12/09/25
Hawkesbury River at Sackville,1.14,falling,5:30 am Fri 12/09/25
Hawkesbury River at Lower Portland,0.62,falling,5:30 am Fri 12/09/25
Hawkesbury River at Webbs Ck (Wisemans Ferry),0.05,falling,5:30 am Fri 12/09/25
This advice is also available by dialling 1300 659 219. Warning, rainfall and river information are available at http://www.bom.gov.au/australia/flood.
Forecast
Abbotsford (33.8525°S, 151.1295°E, 9m AMSL) set as my default location ›
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Seven day forecast
Today: Mostly sunny. Light winds.
Forecast for Abbotsford (33.8525°S, 151.1295°E, 9m AMSL) Fri Sat Sun Mon Tue Wed Thu Summary Minimum 9° 10° 10° 12° 17° 13° 12° Maximum 18° 19° 21° 23° 25° 19° 21° Chance of rain 5% 5% 5% 5% 30% 20% 10% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Moderate Moderate High High High High High 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 8
(km/h)8
(km/h)8
(km/h)10
(km/h)7
(km/h)9
(km/h)10
(km/h)12
(km/h)20
(km/h)20
(km/h)12
(km/h)11
(km/h)8
(km/h)11
(km/h)Wind direction WSW ESE W ESE WNW NE NNW N N NNW WSW SSE NNW ENE Relative humidity 63% 46% 61% 51% 66% 44% 54% 40% 50% 39% 50% 39% 61% 51% Dew point 7°C 6°C 7°C 8°C 9°C 9°C 8°C 9°C 10°C 10°C 6°C 5°C 9°C 10°C -
Warnings
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Sunrise and sunset times
Sunrise / Sunset for Abbotsford (33.8525°S, 151.1295°E, 9m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon 5:35am EST 6:00am EST 5:44pm EST 6:09pm EST 11:01pm EST 8:19am EST Waning gibbous
Last quarter Sep 14 New moon Sep 22 First quarter Sep 30 Full moon Oct 07 -
Temperature for next 5 days
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Rain for next 5 days