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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 (10 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. SANTA CLARA RIVER NEAR PINE VALLEY, UTUSGS gauge · Utah · 4 ft³/s
    58°F129 mi10 hrs ago
  2. VIRGIN RIVER AT VIRGIN, UTUSGS gauge · Utah · 236 ft³/s
    72°F134 mi10 hrs ago
  3. NORTH FORK VIRGIN RIVER NEAR SPRINGDALE, UTUSGS gauge · Utah · 33 ft³/s
    68°F144 mi10 hrs ago
  4. MOJAVE R A LO NARROWS NR VICTORVILLE CAUSGS gauge · California · 4 ft³/s
    72°F160 mi10 hrs ago
  5. DEEP C NR HESPERIA CAUSGS gauge · California · 0 ft³/s
    79°F167 mi11 hrs ago
  6. CRIR LWR MAIN DRAIN BLW TYSON WW, NR EHRENBERG, AZUSGS gauge · Arizona · 122 ft³/s
    70°F167 mi10 hrs ago
  7. COLORADO RIVER NEAR RIVER MILE 30USGS gauge · Arizona
    71°F188 mi10 hrs ago
  8. COLORADO R ABV LITTLE COLORADO R NR DESERT VIEWUSGS gauge · Arizona
    72°F188 mi11 hrs ago

Nearest swimmable spots

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

Lake of Dreams4.7(2,449)

Lake of Dreams

Tourist attraction · Las Vegas, Nevada
Camping nearby

In-the-round show at Wynn featuring dreamlike atmosphere, aquatic ballet & gravity-defying stunts.

2.5 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.

14 mi from your location

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.

21 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.