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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,137 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (8 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 595
  • Comfortable · 70–86°F · 938
  • Warm · above 86°F · 229
  • 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. BIG WARM SPGS NR DUCKWATER, NVUSGS gauge · Nevada · 13 ft³/s
    90°F94 mi8 hrs ago
  2. S TWIN RV NR ROUND MOUNTAIN, NVUSGS gauge · Nevada · 1 ft³/s
    55°F95 mi8 hrs ago
  3. EF OWYHEE RIVER AT CRUTCHER CROSSING, IDUSGS gauge · Idaho · 11 ft³/s
    71°F147 mi9 hrs ago
  4. WALKER RV AT LATERAL 2-A SIPHON NR SCHURZ, NVUSGS gauge · Nevada · 3 ft³/s
    72°F147 mi8 hrs ago
  5. TRUCKEE RV NR NIXON, NVUSGS gauge · Nevada · 172 ft³/s
    74°F151 mi8 hrs ago
  6. WALKER LAKE 4 NORTH NDOWUSGS gauge · Nevada
    76°F152 mi9 hrs ago
  7. WALKER RV NR WABUSKA, NVUSGS gauge · Nevada · 26 ft³/s
    70°F153 mi8 hrs ago
  8. WALKER LAKE 3 CENTER NDOWUSGS gauge · Nevada
    74°F154 mi9 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.