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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

1,323 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (12 hrs ago).

Clear location
  • Cold · below 60°F · 218
  • Cool · 60–69°F · 484
  • Comfortable · 70–86°F · 544
  • Warm · above 86°F · 77
  • 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. Niobrara River at Agate, Nebr.USGS gauge · Nebraska
    68°F48 mi12 hrs ago
  2. CHEYENNE RIVER AT RED SHIRT, SDUSGS gauge · South Dakota · 85 ft³/s
    76°F145 mi12 hrs ago
  3. ENCAMPMENT RIVER AB HOG PARK CR, NR ENCAMPMENT, WYUSGS gauge · Wyoming · 19 ft³/s
    57°F151 mi12 hrs ago
  4. Dismal River near Thedford, Nebr.USGS gauge · Nebraska · 252 ft³/s
    66°F183 mi12 hrs ago
  5. MUDDY CREEK BELOW YOUNG DRAW, NEAR BAGGS, WYUSGS gauge · Wyoming · 0 ft³/s
    66°F190 mi13 hrs ago
  6. Niobrara River near Sparks, Nebr.USGS gauge · Nebraska · 572 ft³/s
    74°F206 mi12 hrs ago
  7. WIND RIVER AB BOYSEN RESERVOIR, NR SHOSHONI, WYUSGS gauge · Wyoming · 289 ft³/s
    70°F231 mi12 hrs ago
  8. FIVEMILE CREEK NEAR SHOSHONI, WYUSGS gauge · Wyoming · 293 ft³/s
    66°F234 mi13 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.