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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,135 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (16 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 594
  • Comfortable · 70–86°F · 938
  • Warm · above 86°F · 228
  • 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. HARPETH RIVER AT MCDANIEL, TNUSGS gauge · Tennessee · 4 ft³/s
    77°F20 mi16 hrs ago
  2. HARPETH RIVER AT MILE 90.5 NEAR FRANKLIN, TNUSGS gauge · Tennessee · 63 ft³/s
    78°F26 mi16 hrs ago
  3. WF STONES R AT BLANTON RD MURFREESBORO, TNUSGS gauge · Tennessee
    81°F28 mi16 hrs ago
  4. ELK RIVER ABOVE FAYETTEVILLE, TNUSGS gauge · Tennessee · 269 ft³/s
    77°F30 mi16 hrs ago
  5. HARPETH RIVER AT MILE 81.33 NR BERRYS CHAPEL, TNUSGS gauge · Tennessee
    77°F31 mi16 hrs ago
  6. HARPETH RIVER AT BELLEVUE, TNUSGS gauge · Tennessee · 284 ft³/s
    80°F38 mi16 hrs ago
  7. MILL CREEK AT LEBANON ROAD AT NASHVILLE, TNUSGS gauge · Tennessee
    79°F42 mi16 hrs ago
  8. CUMBERLAND R AT OMOHUNDRO WTR PLT AT NASHVILLE, TNUSGS gauge · Tennessee
    82°F43 mi16 hrs ago

Nearest swimmable spots

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

No rated, photographed swim spots within 25 miles of this point yet. The nearest sensor readings above still tell you what the water is doing — or search any river, lake or beach by name.
Search a spot →

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.