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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 (9 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. SANTA CLARA RIVER NEAR PINE VALLEY, UTUSGS gauge · Utah · 4 ft³/s
    55°F131 mi10 hrs ago
  2. VIRGIN RIVER AT VIRGIN, UTUSGS gauge · Utah · 69 ft³/s
    70°F132 mi10 hrs ago
  3. NORTH FORK VIRGIN RIVER NEAR SPRINGDALE, UTUSGS gauge · Utah · 32 ft³/s
    66°F140 mi9 hrs ago
  4. BIG WARM SPGS NR DUCKWATER, NVUSGS gauge · Nevada · 13 ft³/s
    90°F223 mi11 hrs ago
  5. S TWIN RV NR ROUND MOUNTAIN, NVUSGS gauge · Nevada · 1 ft³/s
    56°F253 mi10 hrs ago
  6. SAN JUAN RIVER NEAR BLUFF, UTUSGS gauge · Utah · 554 ft³/s
    78°F288 mi10 hrs ago
  7. WALKER LAKE 3 CENTER NDOWUSGS gauge · Nevada
    74°F295 mi20 hrs ago
  8. WALKER LAKE 4 NORTH NDOWUSGS gauge · Nevada
    75°F298 mi20 hrs ago

Nearest swimmable spots

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

Boulder Beach4.4(932)

Boulder Beach

Beach · Boulder City, Nevada
Camping nearby

Rocky beach on Lake Mead with a campground & activities such as boating & swimming.

17 mi from your location

Lake Las Vegas4.6(464)

Lake Las Vegas

Reservoir · Henderson, Nevada

Sizable artificial lake surrounded by 18-hole golf courses, upscale resorts & vacation homes.

23 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.