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Live · updated daily from USGS

Swimmable water near you

1,324 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (8 hrs ago).

Clear location
  • Cold · below 60°F · 218
  • Cool · 60–69°F · 484
  • Comfortable · 70–86°F · 544
  • Warm · above 86°F · 78
  • You

A map of the United States with one coloured dot per USGS sensor reporting a live water temperature. The readings are listed below.

Nearest live readings

The closest USGS sensors currently reporting a water temperature, nearest first.

  1. Great Miami River at Hamilton OHUSGS gauge · Ohio · 10,500 ft³/s
    73°F142 mi9 hrs ago
  2. E Fk Little Miami River bl Harsha Dam nr Bantam OHUSGS gauge · Ohio
    78°F154 mi9 hrs ago
  3. CUMBERLAND RIVER NEAR BORDEAUX, TNUSGS gauge · Tennessee
    82°F157 mi8 hrs ago
  4. STONES RIVER AT US HWY 70 NEAR DONELSON, TNUSGS gauge · Tennessee · 118 ft³/s
    76°F158 mi9 hrs ago
  5. CUMBERLAND R AT OMOHUNDRO WTR PLT AT NASHVILLE, TNUSGS gauge · Tennessee
    81°F159 mi8 hrs ago
  6. MILL CREEK AT LEBANON ROAD AT NASHVILLE, TNUSGS gauge · Tennessee
    79°F159 mi8 hrs ago
  7. CUMBERLAND RIVER BELOW CORDELL HULL DAM, TNUSGS gauge · Tennessee
    69°F159 mi9 hrs ago
  8. Mississippi River at Cape Girardeau, MOUSGS gauge · Missouri
    81°F163 mi8 hrs ago

Nearest swimmable spots

Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.

Jasper Riverwalk4.7(286)

Jasper Riverwalk

Park · Jasper, Indiana

This plaza/park area features the gazebo, 4 shelter houses, fishing, boat access, grill, playground, horseshoe pits, restrooms and part of the Jasper Riverwalk, a 2.1 mile scenic paved, walking path that winds along the Patoka River.

5.0 mi from your location

Patoka Lake4.7(420)

Patoka Lake

Lake · Indiana
Camping nearby

Second-largest reservoir in Indiana, popular for fishing, boating, hiking, swimming & camping.

14 mi from your location

Anderson River4.3(23)

Anderson River

River · Indiana

The Anderson River is a 50.4-mile-long tributary of the Ohio River in southern Indiana in the United States. Via the Ohio, it is part of the watershed of the Mississippi River.

21 mi from your location

About this map

Every pin is a live reading from a USGS real-time monitoring station, captured in a daily snapshot. Colours follow the site’s cold-water-safety thresholds and describe the water at that one sensor — usually a river or stream gauge, not a swim beach — so treat them as a guide to what the water is doing nearby, not a verdict on a specific spot. Readings are provisional and can be revised by the USGS. Your location only sorts this page: the coordinates appear in the address bar (rounded to about a mile) and are not saved to an account or our database.

Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.