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New Jersey River Gauges

144 river gauges with NWS flood stage data in New Jersey. Live water levels from USGS, updated every 15 minutes. Get push alerts when rivers rise with StormCast.

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All New Jersey Gauges by River

Absecon Channel

Absecon Channel at Atlantic City Marina (IN MLLW) Atlantic County · Flood stage: 5.7 ft

Absecon Creek

Absecon Creek at Absecon (IN MLLW) Atlantic County · Flood stage: 5.6 ft

Arthur Kill

Arthur Kill at Perth Amboy (IN MLLW) Middlesex County · Flood stage: 7.2 ft

Assunpink Creek

Assunpink Creek at Clarksville Mercer County · Flood stage: 8 ft Assunpink Creek at Trenton Mercer County · Flood stage: 8.5 ft Assunpink Creek near Mercerville Mercer County · Flood stage: 9.5 ft

Barnegat Bay

Barnegat Bay at Barnegat Light (IN MLLW) Ocean County · Flood stage: 3.5 ft Barnegat Bay at Mantoloking (IN MLLW) Ocean County · Flood stage: 1.7 ft Barnegat Bay at Waretown (IN MLLW) Ocean County · Flood stage: 2.1 ft Barnegat Bay near Bayshore (IN MLLW) Ocean County · Flood stage: 2 ft

Beach Thorofare

Beach Thorofare at Margate (IN MLLW) Atlantic County · Flood stage: 5.6 ft

Beaver Brook

Beaver Brook at Belvidere Warren County · Flood stage: 4.5 ft

Big Brook

Big Brook at Marlboro Monmouth County

Bound Brook

Bound Brook at Middlesex Somerset County · Flood stage: 9 ft

Cape May Harbor

Cape May Harbor at Cape May Harbor (IN MLLW) Cape May County · Flood stage: 6.2 ft

Cohansey River

Cohansey River at Greenwich (IN MLLW) Cumberland County · Flood stage: 7.2 ft Cohansey River at Seeley Cumberland County · Flood stage: 6 ft

Cooper River

Cooper River at Haddonfield Camden County · Flood stage: 4.5 ft

Crosswicks Creek

Crosswicks Creek at Extonville Mercer County · Flood stage: 12 ft

Deep Run

Deep Run at Old Bridge Middlesex County

Delaware Bay

Delaware Bay at Cape May (IN MLLW) Cape May County · Flood stage: 6.7 ft

Delaware River

Delaware River at Belvidere Warren County · Flood stage: 22 ft Delaware River at Burlington (IN MLLW) Burlington County · Flood stage: 9.3 ft Delaware River at Frenchtown Hunterdon County · Flood stage: 16 ft Delaware River at Montague Sussex County · Flood stage: 25 ft Delaware River at Riegelsville Hunterdon County · Flood stage: 22 ft Delaware River at Stockton Hunterdon County · Flood stage: 18 ft Delaware River at Tocks Island Warren County · Flood stage: 21 ft Delaware River at Trenton Mercer County · Flood stage: 20 ft Delaware River at Washington Crossing Mercer County · Flood stage: 16 ft

East Branch Bass River

East Branch Bass River at New Gretna Burlington County · Flood stage: 6 ft

Flat Brook

Flat Brook above Flatbrookville Sussex County · Flood stage: 6 ft

Great Channel

Great Channel at Stone Harbor (IN MLLW) Cape May County · Flood stage: 6.1 ft

Great Egg Harbor Bay

Great Egg Harbor Bay at Ocean City (IN MLLW) Cape May County · Flood stage: 5.3 ft

Great Egg Harbor River

Great Egg Harbor River at Folsom Atlantic County · Flood stage: 6 ft

Green Brook

Green Brook at Plainfield Somerset County Green Brook at Seeley Mills Somerset County · Flood stage: 5.5 ft

Green Pond Brook

Green Pond Brook at Picatinny Morris County · Flood stage: 3 ft

Greenwood Branch

Greenwood Branch at New Lisbon Burlington County · Flood stage: 5 ft

Hackensack River

Hackensack River at Hackensack (MLLW) Bergen County · Flood stage: 7.8 ft Hackensack River at New Milford Bergen County · Flood stage: 6 ft Hackensack River at Rivervale Bergen County · Flood stage: 5.5 ft

Hohokus Brook

Hohokus Brook at Ho-Ho-Kus Bergen County · Flood stage: 3 ft

Ingram Thorofare

Ingram Thorofare at Avalon (IN MLLW) Cape May County · Flood stage: 6 ft

Inside Thorofare

Inside Thorofare at Atlantic City (IN MLLW) Atlantic County · Flood stage: 5.9 ft

Lamington (Black) River

Lamington (Black) River at Burnt Mills Somerset County · Flood stage: 11 ft Lamington (Black) River at Pottersville Morris County · Flood stage: 4.5 ft

Lawrence Brook

Lawrence Brook at Weston Mills Middlesex County · Flood stage: 18 ft

Little Egg Inlet

Little Egg Inlet at Tuckerton (IN MLLW) Burlington County · Flood stage: 4.4 ft

Ludlum Thorofare

Ludlum Thorofare at Sea Isle City (IN MLLW) Cape May County · Flood stage: 5.7 ft

Manahawkin Bay

Manahawkin Bay at Ship Bottom (IN MLLW) Ocean County · Flood stage: 3 ft

Manalapan Brook

Manalapan Brook at Spotswood Middlesex County · Flood stage: 19 ft

Manasquan River

Manasquan River at Allenwood Monmouth County · Flood stage: 14.5 ft Manasquan River at Squankum Monmouth County · Flood stage: 8.5 ft

Mantua Creek

Mantua Creek at Pitman Gloucester County · Flood stage: 5 ft

Maurice River

Maurice River at Bivalve (IN MLLW) Cumberland County · Flood stage: 7.6 ft Maurice River at Norma Salem County · Flood stage: 4 ft

McDonalds Branch

McDonalds Branch at McDonald's Branch Burlington County

Middle Brook

Middle Brook at Bound Brook Somerset County · Flood stage: 11 ft Middle Brook at Burnt Mills Somerset County · Flood stage: 9.5 ft

Millstone River

Millstone River at Blackwells Mills Somerset County · Flood stage: 9 ft Millstone River at Griggstown Somerset County · Flood stage: 10 ft Millstone River at Millstone Somerset County · Flood stage: 10 ft Millstone River at Weston Somerset County · Flood stage: 11.5 ft

Molly Ann Brook

Molly Ann Brook at N. Haledon Passaic County · Flood stage: 6 ft

Mulhockaway Creek

Mulhockaway Creek at Clinton Hunterdon County · Flood stage: 5.5 ft

Mullica River

Mullica River near Batsto Atlantic County · Flood stage: 5 ft

Musconetcong River

Musconetcong River at Bloomsbury Warren County · Flood stage: 6 ft

Neshanic River

Neshanic River at Reaville Hunterdon County · Flood stage: 6.5 ft

New Jersey Atlantic Coast

New Jersey Atlantic Coast at Atlantic City (ocean front) (IN MLLW) Atlantic County · Flood stage: 6 ft New Jersey Atlantic Coast at Sandy Hook (IN MLLW) Monmouth County · Flood stage: 6.7 ft

North Branch Metedeconk River

North Branch Metedeconk River at Lakewood Ocean County · Flood stage: 8 ft

North Branch Rancocas Creek

North Branch Rancocas Creek at Iron Works Park Mount Holly Burlington County · Flood stage: 11.7 ft North Branch Rancocas Creek at Pemberton Burlington County · Flood stage: 2.5 ft

North Branch Raritan River

North Branch Raritan River at North Branch Village Somerset County · Flood stage: 12.3 ft North Branch Raritan River at South Branch Somerset County · Flood stage: 8 ft North Branch Raritan River near Far Hills Somerset County · Flood stage: 6 ft North Branch Raritan River near Raritan Somerset County · Flood stage: 10 ft

Other

at Midwood Morris County · Flood stage: 7.5 ft at Ryerson Morris County · Flood stage: 12 ft

Pascack River

Pascack River at Park Ridge Bergen County · Flood stage: 5.2 ft Pascack River at Westwood Bergen County · Flood stage: 5 ft

Passaic River

Passaic River above Beatties Dam Passaic County · Flood stage: 11.3 ft Passaic River at Chatham Morris County · Flood stage: 6 ft Passaic River at Clifton (Dundee Dam) Passaic County · Flood stage: 4.5 ft Passaic River at Little Falls Passaic County · Flood stage: 7 ft Passaic River at Newark (IN MLLW) Essex County · Flood stage: 7.3 ft Passaic River at Pine Brook Morris County · Flood stage: 19 ft Passaic River at Singac Passaic County · Flood stage: 8.5 ft Passaic River near Millington Somerset County · Flood stage: 8 ft

Paulins Kill

Paulins Kill at Blairstown Warren County · Flood stage: 5 ft

Peckman River

Peckman River at Verona Essex County · Flood stage: 3.5 ft

Pequannock River

Pequannock River at Macopin Passaic County · Flood stage: 5.5 ft Pequannock River at Oak Ridge Passaic County · Flood stage: 10.5 ft Pequannock River at Riverdale Morris County · Flood stage: 8 ft

Pequest River

Pequest River at Huntsville Sussex County · Flood stage: 4 ft Pequest River at Pequest Warren County · Flood stage: 6 ft

Pike Run

Pike Run at Belle Mead Somerset County

Pompton River

Pompton River at Pompton Plains Morris County · Flood stage: 16 ft

Raccoon Creek

Raccoon Creek at SWEDESBORO Gloucester County · Flood stage: 16 ft

Rahway River

Rahway River at Rahway Union County · Flood stage: 6 ft Rahway River at Springfield Union County · Flood stage: 7 ft

Ramapo River

Ramapo River at Mahwah Bergen County · Flood stage: 8 ft Ramapo River at Oakland Bergen County · Flood stage: 15 ft Ramapo River at Pompton Lakes Passaic County · Flood stage: 11.5 ft Ramapo River at Pompton Lakes Dam Passaic County

Raritan Bay

Raritan Bay at Keansburg (IN MLLW) Monmouth County · Flood stage: 7 ft

Raritan River

Raritan River at Bound Brook Somerset County · Flood stage: 28 ft Raritan River at Manville Somerset County · Flood stage: 14 ft

Rockaway River

Rockaway River at Boonton Morris County Rockaway River at Boonton above reservoir Morris County · Flood stage: 4.5 ft Rockaway River at Boonton below reservoir Morris County · Flood stage: 5 ft

Saddle River

Saddle River at Lodi Bergen County · Flood stage: 5.5 ft Saddle River at Paramus Bergen County · Flood stage: 6 ft Saddle River at Ridgewood Bergen County · Flood stage: 5 ft Saddle River at Upper Saddle River Bergen County · Flood stage: 4.5 ft

Salem River

Salem River at Woodstown Salem County · Flood stage: 13 ft

Shark River

Shark River at Belmar (IN MLLW) Monmouth County · Flood stage: 5.9 ft Shark River at Neptune City Monmouth County · Flood stage: 7 ft

Shrewsbury River

Shrewsbury River at Sea Bright (IN MLLW) Monmouth County · Flood stage: 5.2 ft

Sluice Creek

Sluice Creek at S. Dennis (IN MLLW) Cape May County · Flood stage: 7.1 ft

South Branch Pennsauken Creek

South Branch Pennsauken Creek at Cherry Hill Camden County · Flood stage: 9 ft

South Branch Rancocas Creek

South Branch Rancocas Creek at Vincentown Burlington County · Flood stage: 7 ft

South Branch Raritan River

South Branch Raritan River at High Bridge Hunterdon County · Flood stage: 10 ft South Branch Raritan River at Stanton Hunterdon County · Flood stage: 8 ft

South Branch Rockaway River

South Branch Rockaway River at Whitehouse Station Hunterdon County

Southwest Branch Rancocas Creek

Southwest Branch Rancocas Creek at Medford Burlington County · Flood stage: 12 ft

Spruce Run

Spruce Run at Clinton Hunterdon County · Flood stage: 4 ft Spruce Run at Glen Gardner Hunterdon County · Flood stage: 7 ft

Stony Brook

Stony Brook at North Plainfield Somerset County · Flood stage: 7 ft Stony Brook at Princeton Mercer County · Flood stage: 9 ft Stony Brook at Watchung Somerset County · Flood stage: 14 ft

Swimming River

Swimming River at Red Bank Monmouth County · Flood stage: 7 ft

Third River

Third River at Bloomfield Essex County · Flood stage: 6 ft

Toms River

Toms River at Toms River Ocean County · Flood stage: 12 ft

Tuckahoe River

Tuckahoe River at Tuckahoe Cape May County · Flood stage: 6 ft

Wanaque River

Wanaque River at Wanaque Passaic County · Flood stage: 6 ft Wanaque River at Wanaque Reservoir elevation Passaic County

Watson Creek

Watson Creek at Manasquan (IN MLLW) Monmouth County · Flood stage: 5.7 ft

West Branch Middle Brook

West Branch Middle Brook near Martinsville Somerset County · Flood stage: 6 ft

West Branch Wading River

West Branch Wading River at Jenkins Burlington County · Flood stage: 15 ft

Westecunk Creek

Westecunk Creek at Stafford Forge Ocean County · Flood stage: 13 ft

Whippany River

Whippany River at Morristown Morris County · Flood stage: 6 ft Whippany River at Pine Brook Morris County · Flood stage: 9 ft

Frequently Asked Questions

How many river gauges are monitored in New Jersey?

StormCast monitors 144 river gauges with NWS flood stage data in New Jersey. These include USGS stream gauges and NWS forecast points on rivers and creeks across the state.

How do I get flood alerts for a New Jersey river?

Download StormCast free on Google Play, go to River Gauges, and add any gauge to your watchlist. You'll receive a push notification when the water level crosses into a new NWS flood category.

How often are river levels updated?

USGS updates most gauge readings every 15 minutes. Each gauge page on this site shows live data fetched directly from USGS.

More Resources

River Level App Flood Alerts Understanding River Flood Levels Tornado Alerts Hurricane Tracker