National Weather Service United States Department of Commerce
Latest observed water temperatures (within last 24 hours). Data prepared Fri 16 Jan 2026 09:55:23 AM EST
This data is not screened for errors.

 


Delaware Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Coochs Bridge CHBD1 Christina River - Newark3539.6372-75.7283
Delaware Park DPKD1 Stanton - Delaware Park4239.6964-75.6758
Dover DVDD1 St. Jones River at Dover3839.1636-75.5194
Dover 5SE SCLD1 Scotton Landing nr Dover3739.0850-75.4606
Millsboro MLLD1 Millsboro Pond Outlet3838.5944-75.2914
Newark (at) NEKD1 White Clay Cr. at Newark3339.6892-75.7489
Newport NPTD1 Christina River at Newport, DE3839.7106-75.6092
Wilmington WIMD1 Delaware R. at Wilmington, DE3739.7167-75.5175
Wooddale RCCD1 Red Clay Creek at Wooddale3439.7644-75.6356

Maryland Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Brentwood NBAM2 NW Branch Anacostia3438.9490-76.9562
Cheverly CHVM2 3438.9163-76.9343
College Park-Paint Br. USGS CPPM2 3239.0331-76.9642
College Park-Paint Br. USGS CPPM2 3239.0331-76.9642
Darlington water temp DARM2 3439.6261-76.1578
Joppatowne JPAM2 3239.4085-76.3426
Joppatowne JPAM2 3239.4085-76.3426
Little Falls BRKM2 Little Falls3538.9497-77.1278
Parkton USGS PKTM2 Gunpowder Falls3839.6189-76.6903
Riverdale RVDM2 Hyattsville 1E IFLOWS & USGShg3538.9603-76.9258
Riverdale RVDM2 Hyattsville 1E IFLOWS & USGShg3538.9603-76.9258
Rockdale-Scotts Level Br. USGS SLRM2 Scotts Level Br. at Rockdale3239.3617-76.7617
Takoma Park USGS TKPM2 Sligo C-Takoma Park3438.9861-77.0050
Williamsport WLLM2 Potomac R. at Williamsport3539.6089-77.8478

New Jersey Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Absecon ASCN4 Absecon COOP3739.4231-74.5000
Absecon ASCN4 Absecon COOP3739.4231-74.5000
Absecon ABSN4 Absecon Ck. at Absecon4139.4303-74.5206
Allenwood ALLN4 Manasquan R. nr. Allenwood3840.1467-74.1222
Arthur Kill at Perth Amboy (IN MLLW) PABN4 3840.5039-74.2622
Arthur Kill at Perth Amboy (IN MLLW) PABN4 3840.5039-74.2622
Atlantic City ATLN4 Atlantic City4039.3781-74.4228
Atlantic City ATLN4 Atlantic City4039.3781-74.4228
Barnegat Light BGLN4 Barnegat Light3539.7631-74.1106
Barnegat Light BGLN4 Barnegat Light3339.7631-74.1106
Bivalve BVVN4 Bivalve ALERTS3539.2300-75.0400
Canoe Brook DCP CHMN4 Canoe Brook DCP3640.7400-74.3500
Cape May Harbor CAPN4 Cape May Harbor ALERT3638.9486-74.8906
Cape May Harbor CAPN4 Cape May Harbor ALERT3638.9486-74.8906
Cherry Hill CHRN4 S. Br. Pennsauken Cr.3639.9417-75.0011
Extonville EXTN4 Crosswicks Cr. at Extonville3640.1372-74.6000
Frenchtown FREN4 Delaware River at Frenchtown3340.5261-75.0650
Frenchtown FREN4 Delaware River at Frenchtown3340.5261-75.0650
Greenwich GRWN4 Greenwich ALERTS3639.3800-75.3600
Griggstown GTNN4 Millstone R. at Griggstown3940.4400-74.6175
Haddonfield HDDN4 Haddonfield3639.9031-75.0214
Keansburg KSBN4 Keansburg - Raritan Bay3540.4444-74.1478
Keansburg KSBN4 Keansburg - Raritan Bay3540.4444-74.1478
Manasquan MSNN4 Watson C. at Manasquan3640.1117-74.0442
Manasquan MSNN4 Watson C. at Manasquan3540.1117-74.0442
Manville MNVN4 Manville3440.5556-74.5828
Margate City MGTN4 Margate City Coop.3739.3300-74.5000
Margate City MGTN4 Margate City Coop.3739.3300-74.5000
Medford MEDN4 SW Br. Rancocas Ck. at Medford3739.8953-74.8236
Morristown USGS WHPN4 Whippany R. nr Morristown3440.8122-74.5119
Mount Holly - Iron Work Park IWPN4 N. Br. Rancocas Cr.3839.9931-74.7814
Newark DCP NWKN4 Passaic River - Newark (Tidal)3940.7131-74.1231
New Lisbon NLBN4 New Lisbon-Greenwood Branch3839.9561-74.6278
Pemberton PEBN4 Pemberton3839.9700-74.6844
Pequest PQTN4 Pequest River at Pequest3440.8306-74.9786
Pine Brook PNBN4 Whippany R. at Morristown3540.8450-74.3472
Pompton POMN4 Ramapo R-Dawes Hwy3940.9856-74.2794
Pompton Lakes PPTN4 Pompton Lakes3840.9919-74.2800
Pompton Lakes PPTN4 Pompton Lakes3940.9919-74.2800
Pompton Lakes Above PLUN4 Pompton Lakes lake elevation3840.9925-74.2789
Riegelsville RGLN4 Delaware R. at Riegelsville3440.5947-75.1897
Riegelsville RGLN4 Delaware R. at Riegelsville3540.5947-75.1897
Sea Isle City SICN4 Sea Isle City-Ludlam Thorofare3639.1578-74.6981
Sea Isle City SICN4 Sea Isle City-Ludlam Thorofare3639.1578-74.6981
Singac SIGN4 3840.8944-74.2661
Spruce Run Res. USGS SRRN4 Spruce Run Reservoir HP-TW3540.6436-74.9236
Stone Harbor SHBN4 Stone Harbor ALERTS3839.0600-74.7700
Stone Harbor SHBN4 Stone Harbor ALERTS3839.0600-74.7700
Swedesboro SWBN4 Swedesboro - Baccoon Creek3539.7411-75.2592
Trenton TREN4 Delaware River at Trenton3440.2217-74.7781
Trenton TTWN4 Trenton-Del R3440.2217-74.7783
Tuckahoe 4W TUKN4 Tuckahoe R. at head of river3839.3069-74.8206
Tuckerton TKTN4 Tuckerton ALERT3339.5000-74.3250
Tuckerton TKTN4 Tuckerton ALERT3339.5000-74.3250
Waretown WATN4 Waretown ALERTS3439.7900-74.1800
Waretown WATN4 Waretown ALERTS3539.7900-74.1800
Washington Xing WASN4 Washington Crossing3440.2950-74.8681
Whitesbog 4S MCDN4 McDonalds Br. in Lebanon SF4339.8850-74.5053

New York Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Avon AVON6 3442.9167-77.7500
Barryville BRYN6 Barryville3341.5089-74.9861
Barryville below Lackawaxen River BVLN6 3241.4753-74.9128
Callicoon CCCN6 Callicoon Ck. at Callicoon3241.7608-75.0486
Claryville GOES NVWN6 W. Br. Neversink R. at Claryvi3341.9204-74.5744
Hale Eddy HLEN6 Hale Eddy3242.0031-75.3835
Harvard HVDN6 E. Br. Delaware R. at Harvard3242.0247-75.1192
Kelsey CNVN6 3442.0888-75.3125
Kelsey CNVN6 3642.0888-75.3125
Lew Beach PPTN6 3542.0875-74.8196
Lew Beach PPTN6 3642.0875-74.8196
Mongaup USGS MVGN6 Mongaup R. nr Mongaup3241.4614-74.7589
Mount Trempor/Cold Brook - HUD/Hudson MTRN6 3242.0145-74.2702
Neversink NVKN6 3541.8278-74.6389
Neversink NVKN6 3641.8278-74.6389
Neversink Dam (DS) NVXN6 Neversink R. at Neversink3541.8200-74.6358
Stilesville (DS) SLVN6 W. Br. Delaware R./Stilesville3342.0747-75.3964
Thompsonville SDKN6 3341.6677-74.6233

Pennsylvania Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Aldenville ALDP1 W. Br. Lackawaxen R/Aldenville3241.6667-75.3667
Allentown 10th Street Bridge APAP1 Allentown 10th St. Bridge4040.5964-75.4744
Allentown ALLP1 Little Lehigh Creek4040.5822-75.4833
Blakeslee TBYP1 Tobyhanna Ck. nr Blakeslee3441.0833-75.6000
Blanchard (DS Sayers Dam) BCHP1 Sayers Dam (Blanchard)3241.0517-77.6047
Blue Marsh Dam (DS) BMRP1 Tulpehocken Ck. dam ds3640.3706-76.0256
Chadds Ford CDFP1 Chadds Ford3339.8697-75.5936
Coatesville COTP1 Brandywine Ck. At Coatesville3339.9856-75.8278
Cross Fork CRFP1 Kettle Ck. at Cross Fork3341.4758-77.8261
Curwensville Dam DCP CRWP1 Curwensville Dam-COE3640.9500-78.5333
Dalmatia DALP1 E. Mahantango Cr. Nr Dalmatia3240.6111-76.9122
Downingtown (below) DWNP1 Downingtown below3439.9686-75.6736
Honey Brook HNBP1 Honey Brook - W Br. Brandywine3340.0728-75.8611
Johnsonburg JHNP1 Johnsonburg3241.4861-78.6786
Kennett Square KNSP1 Red Clay Creek nr Kennett Sq.3339.8167-75.6919
Kresgeville KRVP1 Pohopoco Ck. at Kresgeville3240.8975-75.5028
Landingville LGVP1 Schuylkill R. at Landingville3440.6292-76.1250
Langhorne LNGP1 Langhorne GOES3440.1740-74.9568
Lawrenceville LWVP1 Cowanesque Dam3441.9967-77.1400
Marietta CCMP1 3340.0628-76.5158
Modena MODP1 Modena3539.9617-75.8017
Mylin Corners MYLP1 Big Spring Run/Willow Street3939.9958-76.2642
Parryville-Beltzville Dam PRRP1 Parryville-Beltzville Dam3740.8456-75.6461
Philadelphia PADP1 Philadelphia-Fairmont3839.9678-75.1889
Philadelphia FCRP1 Frankford Cr./Castor Ave./Phil3640.0158-75.0972
Port Allegheny PALP1 Port Allegheny3241.9200-78.3300
Prompton PRMP1 W. Br. Lackawaxen R./Prompton3541.5872-75.3272
Raystown Dam (DS) RTBP1 Raystown Dam (ds)3940.4289-77.9914
Saginaw CCSP1 Codorus Creek near Saginaw3840.0522-76.6544
Schnecksville SNVP1 Jordan Creek nr Schnecksville3240.6617-75.6272
Spangsville 1.2S COOP SPGP1 Manatawney Cr nr Spangsville3340.3394-75.7425
Spring Creek (PA) at Trexlertown TREP1 3440.5341-75.6015
Stoddartsville STDP1 Lehigh R. at Stoddartsville3241.1303-75.6258
Strickersville SKVP1 White Clay Cr. Nr Stricklersvl3239.7475-75.7708
Troy GOES TRXP1 Troy GOES3541.7800-76.8000
Valley Forge VFGP1 Valley Ck. nr Valley Forge3540.0792-75.4611
Wagontown WGNP1 Birch Run near Wagontown3540.0272-75.8453
Waterville WTVP1 Waterville3341.2736-77.3244
White Haven (DS) WHTP1 Lehigh R. at White Haven3441.1047-75.7325
Wilcox WCXP1 Wilcox3241.5800-78.7000

Virginia Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Andersonville HLCV2 Holiday Cr. nr. Andersonville3337.4153-78.6361
Annandale (USGS) LBAV2 Long Branch nr Annandale3338.8108-77.2353
Annandale USGS ANAV2 Accotink C. nr Annandale3638.8128-77.2286
Bacova BCVV2 Jackson R. nr Bacova3238.0422-79.8817
Beulahville BLHV2 Mattaponi R. nr Beulahville3737.8839-77.1653
Centreville 2S SG MPBV2 Bull Run Manassas Park4238.8031-77.4497
Chantilly CTYV2 Flatlick Br. abv Frog Br.3338.8822-77.4322
Covington (DS of Gathright Dam) JCKV2 Jackson Rvr .5mi Blo Gathright4237.9483-79.9494
Elizabeth River at the Midtown Tunnel (in MLLW)EZMV2 4336.8620-76.3095
Fairfax/Oakton FFDV2 Difficult Run abv Fox Lake3338.8847-77.3328
Falling Spring FLGV2 3637.8767-79.9775
Franklin DCP FKLV2 4536.6802-76.9186
Fredericksburg FDBV2 Fredericksburg DCP (DDB2A374)3538.3083-77.5294
Gloucester Point NERRS GPTV2 VA Inst of Marine Science WQ4237.2472-76.4992
Great Falls GFLV2 Difficult Run near Great Falls3438.9758-77.2461
Hanover PAMV2 Pamunkey R. nr. Hanover3737.7675-77.3325
Matoaca MTCV2 Matoaca4237.2250-77.4756
McLean MDRV2 Dead Run / Whann Ave nr McLean3338.9597-77.1761
Mountain Grove (near) BKCV2 Back Ck. nr Mountain Grove3538.0694-79.8972
New Market NWMV2 Smith Creek nr. New Market3238.6933-78.6433
Providence Forge CKHV2 Providence Forge/Chickahominy3637.4361-77.0611
Snakeden Branch above Lake Audobon SBAV2 3338.9297-77.3411
The Glade near HOWLAND DRIVE GNHV2 3638.9256-77.3293
Vienna 2W VLDV2 S.F. Little Difficult Run3338.9089-77.3386
West Point 5NW CVQV2 water qual Sweet Hall Marsh4337.5714-76.8842

West Virginia Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Barnum (DS Jennings Randolph Res.) BNMW2 Barnum4039.4450-79.1108
Great Cacapon GCPW2 Cacapon R. nr. Great Cacapon3239.5822-78.3100
Springfield SPRW2 Springfield GOES3439.4469-78.6544
Wardensville 2.6S WRDW2 Waites Run nr Wardensville3439.0428-78.5983