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Somerset County Public Safety
Thursday December 28th, 2023 :: 11:32 a.m. EST

Advisory

Flood Warning until 04:45PM Friday

* WHAT...Minor flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until tomorrow afternoon.

* IMPACTS...At 6.0 feet, The Griggstown Causeway is closed due to flooding. At 7.0 feet, Several more causeways are closed due to flooding. At 9.0 feet, Flood stage reached with flooding now along River Road in Blackwells Mills and S. River Street in Millstone. Base of Route 533 bridge floods. River Road between Yorktown and Amsterdam is subject to closure. Canal Road near Suydam Road floods. At 10.0 feet, The D&R Canal is flooded by the Millstone River.

* ADDITIONAL DETAILS... - At 11:15 AM EST Thursday the stage was 8.3 feet and rising. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 9.8 feet just after midnight tonight. It will then fall below flood stage late tomorrow morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.8 feet on 01/24/1998. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: SOMERSET, NJ

Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876

Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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