Rivers and flooding in New Jersey
165 river gauges the National Weather Service watches in New Jersey, 1 at action stage or in flood now. Each has its forecast, flood stages and impacts, and its crest history.
Flooding now
Flood outlook
Significant river flooding over the next five days, and each gauge’s chance of flooding over the next three months.
No significant river flooding is outlined in New Jersey in the next five days.
Most likely to flood, September to November
- Saddle River at Lodi27% chance of major flooding
- Passaic River at Little Falls9% chance of major flooding
- Millstone River at Blackwells Mills6% chance of major flooding
- Passaic River at Pine Brook6% chance of major flooding
- Ramapo River at Pompton Lakes7% chance of major flooding
- Pompton River at Pompton Plains6% chance of major flooding
- Rockaway River at Boonton below reservoir7% chance of moderate flooding
- Ramapo River at Mahwah5% chance of major flooding
- Assunpink Creek at Trenton9% chance of moderate flooding
- Pequannock River at Macopin8% chance of moderate flooding
- Raritan River at Bound Brook8% chance of moderate flooding
- North Branch Raritan River near Raritan7% chance of moderate flooding
19 of the 23 gauges the River Forecast Centers forecast in New Jersey have a stated chance of flooding in this period.
Absecon Channel
Absecon Creek
Arthur Kill
Assunpink Creek
at Midwood
at Ryerson
Barnegat Bay
Beach Thorofare
Beaver Brook
Beaver Dam Brook
Big Brook
Bound Brook
Cape May Harbor
Cohansey River
Cooper River
Crosswicks Creek
Deep Run
Delaware Bay
Delaware River
- Delaware River at BelvidereBelow flood stage
- Delaware River at Burlington (IN MLLW)Below flood stage
- Delaware River at FrenchtownBelow flood stage
- Delaware River at MontagueBelow flood stage
- Delaware River at RiegelsvilleBelow flood stage
- Delaware River at StocktonBelow flood stage
- Delaware River at Tocks IslandBelow flood stage
- Delaware River at TrentonBelow flood stage
- Delaware River at Washington CrossingBelow flood stage
East Branch Bass River
East Branch Paulins Kill
Flat Brook
Great Channel
Great Egg Harbor Bay
Great Egg Harbor River
Green Brook
Green Pond Brook
Greenwood Branch
Hackensack River
Hohokus Brook
Ingram Thorofare
Inside Thorofare
Jumping Brook
Lake Hopatcong
Lamington (Black) River
Lawrence Brook
Little Egg Inlet
Ludlum Thorofare
Manahawkin Bay
Manalapan Brook
Manasquan River
Mantua Creek
Maurice River
McDonalds Branch
Middle Brook
Millstone River
Molly Ann Brook
Mulhockaway Creek
Mullica River
Musconetcong River
Neshanic River
New Jersey Atlantic Coast
North Branch Metedeconk River
North Branch Rancocas Creek
North Branch Raritan River
Pascack River
Passaic River
- Passaic River at Beatties DamBelow flood stage
- Passaic River at ChathamBelow flood stage
- Passaic River at Clifton (Dundee Dam)Below flood stage
- Passaic River at Little FallsBelow flood stage
- Passaic River at MillingtonBelow flood stage
- Passaic River at Newark (IN MLLW)Below flood stage
- Passaic River at Pine BrookBelow flood stage
- Passaic River at SingacBelow flood stage
Paulins Kill
Peckman River
Pequannock River
Pequest River
Peters Brook
Pike Run
Pompton River
Raccoon Creek
Rahway River
Ramapo River
- Ramapo River at Dawes Highway at Pompton LakesNo flood stages set
- Ramapo River at Lakseside Ave at Pompton LakesNo flood stages set
- Ramapo River at MahwahBelow flood stage
- Ramapo River at OaklandBelow flood stage
- Ramapo River at Pompton LakesBelow flood stage
- Ramapo River at Pompton Lakes DamBelow flood stage
Raritan Bay
Raritan River
Rockaway River
Royce Brook
Saddle River
Salem River
Shabakunk Creek
Shark River
Shrewsbury River
Sluice Creek
South Branch Pennsauken Creek
South Branch Rancocas Creek
South Branch Raritan River
South Branch Rockaway River
Southwest Branch Rancocas Creek
Spruce Run
Spruce Run Reservoir
Stony Brook
Swimming River
Third River
Toms River
Tuckahoe River
Wanaque River
Watson Creek
West Branch Middle Brook
West Branch Wading River
Westecunk Creek
Whippany River
Yards Creek
Sources
Gauges, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow from the U.S. Geological Survey.