Source: Bureau of Meteorology

This Flood Watch provides early advice of possible flooding within the specified catchments
Flood Watch for parts of the Mid North Coast, Hunter, Hawkesbury Nepean, Colo and North West Slopes

Issued at 1:40 pm AEST on Thursday 21 August 2025

Flood Watch Number: 4

MINOR TO ISOLATED MODERATE FLOODING POSSIBLE IN THE LOWER HUNTER AND HAWKESBURY NEPEAN RIVER CATCHMENTS FROM LATE THURSDAY

MINOR FLOODING POSSIBLE ALONG PARTS OF THE MID NORTH COAST AND NORTH WEST SLOPES FROM LATE THURSDAY

Moderate to heavy rainfall is forecast across the North West Slopes, Mid North Coast, Hunter and Hawkesbury Nepean River catchments for the remainder of Thursday and into Friday. This rainfall is likely to result in minor flooding along parts of the North West Slopes and minor to isolated moderate flooding in parts of the Lower Hunter and Hawkesbury and Nepean River catchments from late Thursday.

A moderate flood warning is current for the Peel River and major for the Namoi River. A minor flood warning is current for the Upper Nepean.

Catchments in the Flood Watch area are wet following recent rainfall.

There is some degree of uncertainty over the exact location and timing of the heaviest falls. Localised river level rises and flash flooding are likely within the areas of heaviest rainfall.

Flood Classes (minor, moderate and major) are only defined for catchments where the Bureau provides a flood warning service.

Catchments likely to be affected include:
Orara River
Minor flooding

Coffs Coast
Minor flooding

Bellinger and Kalang Rivers
Minor flooding

Nambucca River
Minor flooding

Macleay River
Minor flooding

Hastings River
Minor flooding

Wollombi Brook and Lower Hunter River
Minor to Moderate flooding

Central Coast
Minor flooding

Hawkesbury and Lower Nepean Rivers
Minor to Moderate flooding

Upper Coxs River

Colo River
Minor to Moderate flooding

Macdonald River

Upper Macintyre River
Minor flooding

Gwydir River
Minor flooding

Flood Warnings are current for the following catchment(s): Upper Nepean, Peel and Namoi

Flooding is no longer expected in the following catchment(s): Manning and Gloucester, Myall, Karuah and Goulburn and Upper Hunter

For the latest flood and weather warnings see http://www.bom.gov.au/australia/warnings

For the latest rainfall and river level information see http://www.bom.gov.au/australia/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.

Rainfall and River Conditions Map