Photo: Michael Boyd · CC BY 3.0
Water temperature in the United States
Made for U.S. waters
Atlantic 35.4 °C, Pacific 31.1 °C, Gulf of Mexico 35.9 °C. The coldest spot is Sagavanirktok River near Pump STA 3, Alaska at 1.1 °C. As of September 20, 2026, 3,230 locations from USGS, NOAA NDBC and NOAA CO-OPS.
35.9 °C
warmest spot · Gulf of Mexico, Pilottown
1.1 °C
coldest · Sagavanirktok River near Pump STA 3, Alaska
21.1 °C
average of all spots
3,230
locations
Swim now
The warmest spot of each kind of water
Lake
32.2 °C
Lake Maumelle Raw Water Intake near Natural Steps, Arkansas
USGS · then Old River Lake site Oldr near Wallisville, Texas 31.2 °C and Lynchburg Reservoir near Cwa Canal Inflow near Baytown, Texas 31.2 °C
River
35.8 °C
Hot C A Flume near Mammoth Lakes, California
USGS · then Brazos River at Giww Flood Gates near Freeport, Texas 32.4 °C and Brazos River at Coe Flood Gates near Freeport, Texas 32.4 °C
Coast
35.9 °C
Gulf of Mexico, Pilottown
NOAA CO-OPS · then Gulf of Mexico, Port Mansfield 35.9 °C and Atlantic, South Port Everglades 35.4 °C
Regions
United States, region by region
8 regions, each with today's range and its best-known spots. Tap one to open the region's list.
Atlantic11.9–35.4 °C
320 coasts & beaches
Atlantic, South Port Everglades 35.4 °C · Atlantic, Johnson Key, FL 33.3 °C · Atlantic, Murray Key, FL 33.2 °C
Pacific8.2–31.1 °C
268 coasts & beaches
Pacific, Kwajalein, Marshall Islands 31.1 °C · Pacific, Apra Harbor, Guam 30.8 °C · Pacific, Wake Island, Pacific Ocean 30.8 °C
Gulf of Mexico29.4–35.9 °C
168 coasts & beaches
Gulf of Mexico, Pilottown 35.9 °C · Gulf of Mexico, Port Mansfield 35.9 °C · Gulf of Mexico, Lake Charles Bulk Terminal, LA 35.0 °C
Lake Michigan9.1–23.6 °C
41 lakes
Lake Michigan, Michigan City 23.6 °C · Lake Michigan, Wilmette 22.7 °C · Lake Michigan, Ohio Street Beach 22.4 °C
Lake Erie20.0–24.5 °C
40 lakes
Lake Erie, Euclid, Ohio, USA 24.5 °C · Lake Erie, Rocky River, Ohio, USA 24.4 °C · Lake Erie, Erie Nearshore buoy data for Erie, PA 23.9 °C
Karibik28.8–30.6 °C
32 coasts & beaches
Karibik, Culebra, PR 30.6 °C · Karibik, Culebra 30.6 °C · Karibik, Playa de Cascajo 30.6 °C
Lake Superior11.6–18.8 °C
14 lakes and 1 coasts & beaches
Lake Superior, Duluth-Offshore Buoy(LLO2) 18.8 °C · Lake Superior, North Entry Buoy, North Keweenaw Peninsula 18.6 °C · Lake Superior, S.W. Pier, St. Marys River 18.1 °C
Hudson River20.2–24.0 °C
12 coasts & beaches
Hudson River, Bear Mountain 24.0 °C · Hudson River, Norrie Point 23.4 °C · Hudson River, East Cove Beach 23.4 °C
Right now
3,230 spots, 3 kinds of water
188 lakes2,058 rivers984 coasts & beaches
3,185 readings are measurements from official and open networks, above all USGS, NOAA NDBC and NOAA CO-OPS; 45 values come from models. Beyond temperature, this page carries 411 official bathing-water ratings, tides for 526 coastal spots, water level or discharge at 1,724 gauges and wave height at 224 buoys. Added in the last 30 days: Pacific, 205 NM SW of Honolulu, HI, Jobos Bay, Station 10 and Weeks Bay and 33 more.
© BrrChecker – all rights reserved. The compilation, texts, images and BrrScore are protected; the readings belong to the sources named. Automated extraction is not permitted.
About the data
The United States is the largest network in the app: USGS gauges on rivers from Alaska to Florida, NOAA NDBC buoys and CO-OPS tide stations on every coast, the estuary sondes of the National Estuarine Research Reserves, Chicago's beach sensors and the nearshore probes off Oahu. Add 170 beaches that carry the reading of the nearest official station within two kilometres.
All spots
By region, with today's reading
Atlantic320 spots
Atlantic, Johnson Key, FL33.3 °C
Atlantic, Murray Key, FL33.2 °C
Atlantic, Cannon Bay, FL32.6 °C
Atlantic, Trout Cove, FL31.8 °C
Atlantic, Middle Key, FL31.7 °C
Atlantic, Bob Allen, FL31.6 °C
Atlantic, Garfield Bight, FL31.6 °C
Atlantic, Highway Creek, FL31.3 °C
Atlantic, Peterson Key, FL31.1 °C
Atlantic, Taylor River, FL31.1 °C
Atlantic, Terrapin Bay, FL30.9 °C
Atlantic, Islamorada30.8 °C
Atlantic, Key West, FL30.8 °C
Atlantic, Lostmans River, FL30.8 °C
Atlantic, Watson Place, FL30.8 °C
Atlantic, Whipray Basin, FL30.8 °C
Atlantic, Key West30.8 °C
Atlantic, Key Largo30.7 °C
Atlantic, Shark River, FL30.7 °C
Atlantic, Boca Raton30.6 °C
Atlantic, Lane River, FL30.6 °C
Atlantic, Butternut Key, FL30.5 °C
Atlantic, Vaca Key, FL30.5 °C
Atlantic, Delray Beach30.4 °C
Atlantic, Little Madeira, FL30.4 °C
Atlantic, Long Sound, FL30.3 °C
Atlantic, Hollywood Beach FL30.2 °C
Atlantic, Manatee Bay, FL30.2 °C
Atlantic, North River, FL29.9 °C
Atlantic, Miami29.8 °C
Atlantic, Duck Key, FL29.8 °C
Atlantic, Thursday Point, FL29.8 °C
Atlantic, Virginia Key, FL29.8 °C
Atlantic, Fort Myers, FL29.7 °C
Atlantic, Harney River, FL29.7 °C
Atlantic, Trident Pier, FL29.7 °C
Atlantic, Virginia Key29.7 °C
Atlantic, Fort Myers29.7 °C
Atlantic, Gunboat Island, FL29.6 °C
Atlantic, Vero Beach29.5 °C
Atlantic, Joe Bay, FL29.5 °C
Atlantic, Jekyll Island29.4 °C
Atlantic, Dames Point29.4 °C
Atlantic, Jacksonville Beach29.3 °C
Atlantic, Dames Point, FL29.3 °C
Atlantic, Charleston29.1 °C
Atlantic, Hilton Head Island29.0 °C
Atlantic, Isle of Palms29.0 °C
Atlantic, Kiawah Island29.0 °C
Atlantic, Sullivan's Island29.0 °C
Atlantic, Tybee Island29.0 °C
Atlantic, CHR6029.0 °C
Atlantic, Fort Pulaski, GA29.0 °C
Atlantic, Willy Willy, FL29.0 °C
Atlantic, Fort Pulaski29.0 °C
Atlantic, Diamond Shoals, NC28.7 °C
Atlantic, Wilmington, NC28.7 °C
Atlantic, Wilmington28.7 °C
Atlantic, New Smyrna Beach28.6 °C
Atlantic, FRP2WAVE28.6 °C
Atlantic, Myrtle Beach28.4 °C
Atlantic, Springmaid Pier28.4 °C
Atlantic, State Park Beach28.4 °C
Atlantic, CHR60WAVE28.3 °C
Atlantic, Broad River, FL28.3 °C
Atlantic, Cocoa Beach28.2 °C
Atlantic, Buoy Key, FL28.1 °C
Atlantic, Money Point, VA28.0 °C
Atlantic, Cane Patch, FL27.9 °C
Atlantic, Money Point27.9 °C
Atlantic, Daytona Beach27.7 °C
Atlantic, Baltimore, MD27.7 °C
Atlantic, Baltimore27.7 °C
and 200 more spots in the app
Pacific268 spots
Pacific, Apra Harbor, Guam30.8 °C
Pacific, Santa Cruz30.4 °C
Pacific, Honolulu, HI29.5 °C
Pacific, Honolulu29.5 °C
Pacific, Kawaihae, HI28.7 °C
Pacific, Mokuoloe, HI28.7 °C
Pacific, Mokuoloe28.7 °C
Pacific, Kawaihae28.6 °C
Pacific, Lanai / Hulopoe Bay28.2 °C
Pacific, Oahu / Ko Olina27.8 °C
Pacific, Molokai / Papohaku27.7 °C
Pacific, Kaanapali27.6 °C
Pacific, Maui / Napili Bay27.6 °C
Pacific, Maui / Wailea Beach27.6 °C
Pacific, Oahu / Waimanalo27.4 °C
Pacific, Kauai / Poipu Beach27.3 °C
Pacific, Nawiliwili, HI27.3 °C
Pacific, Nawiliwili27.3 °C
Pacific, Maunalua Bay, Oahu27.2 °C
Pacific, Kauai / Hanalei Bay26.8 °C
Pacific, Coronado Beach25.0 °C
Pacific, San Diego, CA25.0 °C
Pacific, San Diego25.0 °C
Pacific, La Jolla23.6 °C
Pacific, Manhattan Beach23.6 °C
Pacific, Redondo Beach23.6 °C
Pacific, Santa Monica23.6 °C
Pacific, Venice Beach23.6 °C
Pacific, Santa Monica Pier23.6 °C
Pacific, La Jolla, CA23.6 °C
Pacific, Blacks Beach23.6 °C
Pacific, Oceanside23.5 °C
Pacific, La Jolla23.5 °C
Pacific, Santa Monica23.5 °C
Pacific, Del Mar23.3 °C
Pacific, Laguna Beach23.2 °C
Pacific, San Clemente23.2 °C
Pacific, Group Campsite23.2 °C
Pacific, North Day Use Beach23.2 °C
Pacific, South Day Use Beach23.2 °C
Pacific, Carlsbad23.0 °C
Pacific, Huntington Beach23.0 °C
Pacific, Newport Beach23.0 °C
Pacific, El Matador (Malibu)22.9 °C
Pacific, Malibu22.8 °C
Pacific, Zuma Beach22.8 °C
Pacific, San Pedro, CA (092)22.7 °C
Pacific, Port Chicago20.9 °C
Pacific, Port Chicago, CA20.8 °C
Pacific, Alameda, CA20.1 °C
Pacific, Encinal beach20.1 °C
Pacific, Alameda20.0 °C
Pacific, Harvest, CA (071)19.4 °C
Pacific, Longview, WA19.3 °C
Pacific, Longview19.3 °C
Pacific, Waikiki18.7 °C
Pacific, Richmond, CA18.3 °C
Pacific, Richmond18.3 °C
Pacific, Morro Bay17.5 °C
Pacific, BM1 T-Pier, CA17.5 °C
and 148 more spots in the app
Gulf of Mexico168 spots
Gulf of Mexico, Pilottown35.9 °C
Gulf of Mexico, Baffin Bay33.7 °C
Gulf of Mexico, Lake Charles31.9 °C
Gulf of Mexico, Galveston31.4 °C
Gulf of Mexico, Manchester31.4 °C
Gulf of Mexico, Port Isabel31.4 °C
Gulf of Mexico, Carrollton31.3 °C
Gulf of Mexico, Port Arthur31.2 °C
Gulf of Mexico, High Island31.0 °C
Gulf of Mexico, Port Aransas30.8 °C
Gulf of Mexico, Port Aransas30.8 °C
Gulf of Mexico, Naples Beach30.7 °C
Gulf of Mexico, Siesta Key30.7 °C
Gulf of Mexico, Venice FL30.7 °C
Gulf of Mexico, Apalachicola30.6 °C
Gulf of Mexico, Marco Island30.5 °C
Gulf of Mexico, Rockport, TX30.5 °C
Gulf of Mexico, Pensacola30.5 °C
Gulf of Mexico, Rockport30.5 °C
Gulf of Mexico, Destin30.2 °C
Gulf of Mexico, Gulf Shores30.2 °C
and 48 more spots in the app
Lake Michigan41 spots
Lake Michigan, Michigan City23.6 °C
Lake Michigan, Wilmette22.7 °C
Lake Michigan, Chicago Pier22.0 °C
Lake Michigan, Chicago Buoy19.4 °C
Lake Michigan, Muskegon19.1 °C
Lake Michigan, Menominee18.5 °C
Lake Michigan, Port Inland18.4 °C
Lake Michigan, Central Beach18.0 °C
Lake Michigan, North Beach17.5 °C
Lake Michigan, Mackinaw City17.0 °C
Lake Michigan, Holland15.8 °C
Lake Michigan, Ludington9.1 °C
Lake Erie40 spots
Lake Erie, Euclid, Ohio, USA24.5 °C
Lake Erie, Walnut Creek23.6 °C
Lake Erie, K-9 Coastline23.0 °C
Lake Erie, Perkins Beach23.0 °C
Lake Erie, Huron Buoy22.9 °C
Lake Erie, Chaska Beach22.9 °C
Lake Erie, Fairport22.8 °C
Lake Erie, Sheffield Buoy22.7 °C
Lake Erie, Cleveland22.7 °C
Lake Erie, Erie Islands Buoy22.6 °C
Lake Erie, Rocky River, OH22.5 °C
Lake Erie, Euclid, OH22.5 °C
Lake Erie, Port Clinton Buoy22.5 °C
Lake Erie, Marblehead22.4 °C
Lake Erie, Walnut Creek Buoy22.3 °C
Lake Erie, Toledo22.3 °C
Lake Erie, Cleveland DO22.3 °C
Lake Erie, Manchester Beach22.3 °C
Lake Erie, Beach 2 Buoy22.2 °C
Lake Erie, Beach 6 Buoy22.2 °C
Lake Erie, Ashtabula Buoy22.1 °C
Lake Erie, Buffalo22.0 °C
Lake Erie, Euclid Beach Buoy21.8 °C
Lake Erie, Beulah Park Beach21.8 °C
Lake Erie, Buffalo21.6 °C
Lake Erie, Maumee Bay Buoy21.4 °C
Lake Erie, Algonac20.0 °C
Lake Erie, Willow Beach20.0 °C
Karibik32 spots
Karibik, Culebra, PR30.6 °C
Karibik, Culebra30.6 °C
Karibik, Playa de Cascajo30.6 °C
Karibik, Playa La Puntilla30.3 °C
Karibik, Limetree Bay30.1 °C
Karibik, San Juan, PR29.7 °C
Karibik, Playa Caza y Pesca29.7 °C
Karibik, Playa Domes29.7 °C
Karibik, Playa El Muelle29.7 °C
Karibik, Playa Peña29.7 °C
Karibik, Playa Peña29.7 °C
Karibik, Playa Peña29.7 °C
Karibik, Playa Pools29.7 °C
Karibik, Spanish Wall Beach29.7 °C
Karibik, Playa Pelícano29.5 °C
Karibik, Vieques Island, PR29.4 °C
Karibik, Mayaguez, PR28.8 °C
Karibik, Mayaguez28.8 °C
Lake Superior15 spots
Lake Superior, Whitefish Bay17.7 °C
Lake Superior, Pokegama Bay17.6 °C
Lake Superior, Ontonagon, MI16.9 °C
Lake Superior, Little Rapids16.4 °C
Lake Superior, Duluth16.3 °C
Hudson River12 spots
Hudson River, Bear Mountain24.0 °C
Hudson River, Norrie Point23.4 °C
Hudson River, Private Beach23.4 °C
Hudson River, Private Beach23.4 °C
Hudson River, Ferry Landing22.2 °C
Hudson River, South Landing20.2 °C
Hudson River, West Landing20.2 °C
Other waters and lidos2,334 spots
Grand Bay, Bayou Heron31.5 °C
Jobos Bay, Station 1031.5 °C
Weeks Bay31.2 °C
Mission Aransas, Aransas Bay31.0 °C
Apalachicola Bay, Sand Beach30.9 °C
Jobos Bay, Station 1930.8 °C
Grand Bay, Bangs Lake30.5 °C
Red River at Index, Arkansas30.5 °C
Jobos Bay, Station 930.4 °C
Weeks Bay, Fish River30.4 °C
Sapelo Island, Dean Creek30.4 °C
Sapelo Island, Hunt Dock30.4 °C
Rio Grande at Roma, Texas30.4 °C
Jobos Bay, Station 2030.0 °C
and 2,214 more spots in the app
Check first, then swim.
All 3,230 spots with history, BrrScore and alerts, free in the app.
