National Weather Service United States Department of Commerce
Latest observed water temperatures (within last 24 hours). Data prepared Mon 15 Dec 2025 09:55:17 AM EST
This data is not screened for errors.

 


Delaware Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Coochs Bridge CHBD1 Christina River - Newark3239.6372-75.7283
Dover DVDD1 St. Jones River at Dover3439.1636-75.5194
Dover 5SE SCLD1 Scotton Landing nr Dover3339.0850-75.4606
Millsboro MLLD1 Millsboro Pond Outlet3338.5944-75.2914
Newport NPTD1 Christina River at Newport, DE3339.7106-75.6092
Wilmington WIMD1 Delaware R. at Wilmington, DE3839.7167-75.5175

Maryland Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Brentwood NBAM2 NW Branch Anacostia3238.9490-76.9562
Bristol 2WSW BRIM2 Patuxent R. tide gage3538.7814-76.7136
Cheverly CHVM2 3338.9163-76.9343
Darlington water temp DARM2 4039.6261-76.1578
Joppatowne JPAM2 3239.4085-76.3426
Parkton USGS PKTM2 Gunpowder Falls3939.6189-76.6903
Riverdale RVDM2 Hyattsville 1E IFLOWS & USGShg3438.9603-76.9258
Riverdale RVDM2 Hyattsville 1E IFLOWS & USGShg3438.9603-76.9258
Rockdale-Scotts Level Br. USGS SLRM2 Scotts Level Br. at Rockdale3239.3617-76.7617
Williamsport WLLM2 Potomac R. at Williamsport3439.6089-77.8478

New Jersey Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Absecon ABSN4 Absecon Ck. at Absecon3839.4303-74.5206
Allenwood ALLN4 Manasquan R. nr. Allenwood3340.1467-74.1222
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 City3939.3781-74.4228
Atlantic City ATLN4 Atlantic City3939.3781-74.4228
Barnegat Light BGLN4 Barnegat Light3439.7631-74.1106
Barnegat Light BGLN4 Barnegat Light3639.7631-74.1106
Bivalve BVVN4 Bivalve ALERTS3239.2300-75.0400
Canoe Brook DCP CHMN4 Canoe Brook DCP3540.7400-74.3500
Cape May Harbor CAPN4 Cape May Harbor ALERT3338.9486-74.8906
Cape May Harbor CAPN4 Cape May Harbor ALERT3338.9486-74.8906
Greenwich GRWN4 Greenwich ALERTS3539.3800-75.3600
Griggstown GTNN4 Millstone R. at Griggstown3640.4400-74.6175
Haddonfield HDDN4 Haddonfield3439.9031-75.0214
Manasquan MSNN4 Watson C. at Manasquan3440.1117-74.0442
Manasquan MSNN4 Watson C. at Manasquan3540.1117-74.0442
Manville MNVN4 Manville3240.5556-74.5828
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 Medford3439.8953-74.8236
Morristown USGS WHPN4 Whippany R. nr Morristown3440.8122-74.5119
Mount Holly - Iron Work Park IWPN4 N. Br. Rancocas Cr.3439.9931-74.7814
Newark DCP NWKN4 Passaic River - Newark (Tidal)4040.7131-74.1231
New Lisbon NLBN4 New Lisbon-Greenwood Branch3439.9561-74.6278
Pemberton PEBN4 Pemberton3439.9700-74.6844
Pequest PQTN4 Pequest River at Pequest3540.8306-74.9786
Pine Brook PNBN4 Whippany R. at Morristown3440.8450-74.3472
Pompton POMN4 Ramapo R-Dawes Hwy3640.9856-74.2794
Pompton Lakes PPTN4 Pompton Lakes3840.9919-74.2800
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 Riegelsville3340.5947-75.1897
Singac SIGN4 3540.8944-74.2661
Spruce Run Res. USGS SRRN4 Spruce Run Reservoir HP-TW3740.6436-74.9236
Stone Harbor SHBN4 Stone Harbor ALERTS3839.0600-74.7700
Stone Harbor SHBN4 Stone Harbor ALERTS3839.0600-74.7700
Swedesboro SWBN4 Swedesboro - Baccoon Creek3239.7411-75.2592
Trenton TREN4 Delaware River at Trenton3240.2217-74.7781
Trenton TTWN4 Trenton-Del R3240.2217-74.7783
Tuckahoe 4W TUKN4 Tuckahoe R. at head of river3539.3069-74.8206
Whitesbog 4S MCDN4 McDonalds Br. in Lebanon SF4139.8850-74.5053

New York Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Barryville BRYN6 Barryville3341.5089-74.9861
Barryville below Lackawaxen River BVLN6 3241.4753-74.9128
Callicoon CCCN6 Callicoon Ck. at Callicoon3241.7608-75.0486
Callicoon CCRN6 Callicoon (Del Rvr)3241.7567-75.0578
Claryville 2.2SW GOES NVCN6 Neversink R. nr. Claryville3241.8900-74.5903
Claryville GOES NVWN6 W. Br. Neversink R. at Claryvi3341.9204-74.5744
Godeffroy NEVN6 Neversink R. at Godeffroy3241.4411-74.6022
Hale Eddy HLEN6 Hale Eddy3242.0031-75.3835
Harvard HVDN6 E. Br. Delaware R. at Harvard3242.0247-75.1192
Kelsey CNVN6 3542.0888-75.3125
Kelsey CNVN6 3842.0888-75.3125
Lew Beach PPTN6 3742.0875-74.8196
McLure OQGN6 3242.0486-75.4851
Mongaup USGS MVGN6 Mongaup R. nr Mongaup3241.4614-74.7589
Mount Trempor/Cold Brook - HUD/Hudson MTRN6 3242.0145-74.2702
Neversink NVKN6 3941.8278-74.6389
Neversink Dam (DS) NVXN6 Neversink R. at Neversink3841.8200-74.6358
Stilesville (DS) SLVN6 W. Br. Delaware R./Stilesville3742.0747-75.3964
Thompsonville SDKN6 3241.6677-74.6233

Pennsylvania Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Aldenville ALDP1 W. Br. Lackawaxen R/Aldenville3241.6667-75.3667
Allentown 10th Street Bridge APAP1 Allentown 10th St. Bridge3940.5964-75.4744
Allentown ALLP1 Little Lehigh Creek3940.5822-75.4833
Blakeslee TBYP1 Tobyhanna Ck. nr Blakeslee3341.0833-75.6000
Blanchard (DS Sayers Dam) BCHP1 Sayers Dam (Blanchard)3241.0517-77.6047
Blue Marsh Dam (DS) BMRP1 Tulpehocken Ck. dam ds3840.3706-76.0256
Chadds Ford CDFP1 Chadds Ford3239.8697-75.5936
Coatesville COTP1 Brandywine Ck. At Coatesville3439.9856-75.8278
Curwensville Dam DCP CRWP1 Curwensville Dam-COE3540.9500-78.5333
Dalmatia DALP1 E. Mahantango Cr. Nr Dalmatia3240.6111-76.9122
Downingtown (below) DWNP1 Downingtown below3239.9686-75.6736
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.3239.8167-75.6919
Kresgeville KRVP1 Pohopoco Ck. at Kresgeville3240.8975-75.5028
Landingville LGVP1 Schuylkill R. at Landingville3240.6292-76.1250
Langhorne LNGP1 Langhorne GOES3340.1740-74.9568
Lawrenceville LWVP1 Cowanesque Dam3541.9967-77.1400
Manchester MANP1 W. Conewago Ck nr Manchester3240.0822-76.7203
Modena MODP1 Modena3339.9617-75.8017
Mylin Corners MYLP1 Big Spring Run/Willow Street4039.9958-76.2642
Norristown USGS NRSP1 Schuylkill R. at Norristown3240.1111-75.3469
Parryville-Beltzville Dam PRRP1 Parryville-Beltzville Dam4340.8456-75.6461
Philadelphia PADP1 Philadelphia-Fairmont3439.9678-75.1889
Philadelphia FCRP1 Frankford Cr./Castor Ave./Phil3340.0158-75.0972
Port Allegheny PALP1 Port Allegheny3241.9200-78.3300
Prompton PRMP1 W. Br. Lackawaxen R./Prompton3841.5872-75.3272
Raystown Dam (DS) RTBP1 Raystown Dam (ds)4240.4289-77.9914
Rowland ROWP1 Lackawaxen R. at Rowland3241.4758-75.0367
Saginaw CCSP1 Codorus Creek near Saginaw3640.0522-76.6544
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 GOES3341.7800-76.8000
Valley Forge VFGP1 Valley Ck. nr Valley Forge3340.0792-75.4611
Wagontown WGNP1 Birch Run near Wagontown3640.0272-75.8453
Waterville WTVP1 Waterville3341.2736-77.3244
White Haven (DS) WHTP1 Lehigh R. at White Haven3241.1047-75.7325
Wilcox WCXP1 Wilcox3241.5800-78.7000

Virginia Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Andersonville HLCV2 Holiday Cr. nr. Andersonville3237.4153-78.6361
Annandale (USGS) LBAV2 Long Branch nr Annandale3238.8108-77.2353
Annandale USGS ANAV2 Accotink C. nr Annandale3338.8128-77.2286
Bacova BCVV2 Jackson R. nr Bacova3238.0422-79.8817
Beulahville BLHV2 Mattaponi R. nr Beulahville3337.8839-77.1653
Centreville 2S SG MPBV2 Bull Run Manassas Park4138.8031-77.4497
Covington (DS of Gathright Dam) JCKV2 Jackson Rvr .5mi Blo Gathright4537.9483-79.9494
Elizabeth River at the Midtown Tunnel (in MLLW)EZMV2 4436.8620-76.3095
Fairfax/Oakton FFDV2 Difficult Run abv Fox Lake3238.8847-77.3328
Falling Spring FLGV2 3637.8767-79.9775
Franklin DCP FKLV2 3836.6802-76.9186
Fredericksburg FDBV2 Fredericksburg DCP (DDB2A374)3238.3083-77.5294
Gloucester Point NERRS GPTV2 VA Inst of Marine Science WQ4237.2472-76.4992
Hanover PAMV2 Pamunkey R. nr. Hanover3237.7675-77.3325
Matoaca MTCV2 Matoaca4037.2250-77.4756
McLean MDRV2 Dead Run / Whann Ave nr McLean3238.9597-77.1761
Mountain Grove (near) BKCV2 Back Ck. nr Mountain Grove3238.0694-79.8972
Providence Forge CKHV2 Providence Forge/Chickahominy3237.4361-77.0611
Snakeden Branch above Lake Audobon SBAV2 3238.9297-77.3411
The Glade near HOWLAND DRIVE GNHV2 3838.9256-77.3293
Vienna 2W VLDV2 S.F. Little Difficult Run3238.9089-77.3386
West Point 5NW CVQV2 water qual Sweet Hall Marsh4137.5714-76.8842

West Virginia Locations

LocationNWS IDDescriptionWater TemperatureLatitudeLongitude
Barnum (DS Jennings Randolph Res.) BNMW2 Barnum4439.4450-79.1108
Great Cacapon GCPW2 Cacapon R. nr. Great Cacapon3239.5822-78.3100
Springfield SPRW2 Springfield GOES3239.4469-78.6544
Wardensville 2.6S WRDW2 Waites Run nr Wardensville3339.0428-78.5983