FLOOD WATCH HAWKESBURY NEPEAN – UPDATE 4

Key Point: This has been reissued by the BOM to correct the catchment severity

Issued at 1:45 pm EDT on Friday 5 April 2024

MINOR TO MAJOR FLOODING POSSIBLE ACROSS PARTS OF NEW SOUTH WALES COAST AND RANGES FROM LATE FRIDAY, INCLUDING THE HAWKESBURY NEPEAN RIVER

An inland and a coastal trough are building on Friday with a low pressure system expected to form over the central slopes. These systems are forecast to move southward and will move into the Tasman Sea Sunday. These systems are expected to bring rain to much of the state in the coming few days with locally heavy falls, particular in the east. There is still uncertainty associated with the location and intensity of the heaviest falls. This rainfall has the potential to cause minor to major flooding along parts of the New South Wales coast and ranges from late Friday, including the Hawkesbury Nepean River.

Catchments are relatively wet in the north and average to dry around Sydney and the South Coast.

The weather system may cause flooding for the catchments listed from Friday into the weekend. 

Hawkesbury and Lower Nepean Rivers – minor to major flooding

Upper Coxs River – minor to major flooding

Colo River – moderate to major flooding