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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 (6 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. E Fk Little Miami River bl Harsha Dam nr Bantam OHUSGS gauge · Ohio
    78°F105 mi6 hrs ago
  2. Great Miami River at Hamilton OHUSGS gauge · Ohio · 10,500 ft³/s
    73°F106 mi6 hrs ago
  3. Caesar Creek near Wellman OHUSGS gauge · Ohio
    61°F129 mi6 hrs ago
  4. CUMBERLAND RIVER BELOW CORDELL HULL DAM, TNUSGS gauge · Tennessee
    69°F129 mi6 hrs ago
  5. CLEAR FORK NEAR ROBBINS, TNUSGS gauge · Tennessee · 72 ft³/s
    79°F136 mi6 hrs ago
  6. NEW RIVER AT NEW RIVER, TNUSGS gauge · Tennessee · 296 ft³/s
    77°F138 mi6 hrs ago
  7. STONES RIVER AT US HWY 70 NEAR DONELSON, TNUSGS gauge · Tennessee · 118 ft³/s
    76°F144 mi6 hrs ago
  8. MILL CREEK AT LEBANON ROAD AT NASHVILLE, TNUSGS gauge · Tennessee
    79°F147 mi6 hrs ago

Nearest swimmable spots

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

McNeely Lake Park4.3(1,661)

McNeely Lake Park

Park · Louisville, Kentucky

Park with sports areas, trails, grills & a model-airplane field, plus a lake for fishing & boating.

7.4 mi from your location

Riverview Park4.4(1,808)

Riverview Park

Park · Louisville, Kentucky

A scenic park along the Ohio River in Louisville, Kentucky, Riverview Park offers sweeping views of the river and the surrounding valley. The park provides walking trails, picnic areas, and green space for families and visitors to enjoy the natural beauty of the Ohio River corridor. Its elevated vantage points make it a popular spot for watching river traffic and enjoying sunsets over the water.

8.8 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.