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Live · updated daily from USGS

Swimmable water near you

2,133 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (21 hrs ago).

Clear location
  • Cold · below 60°F · 382
  • Cool · 60–69°F · 607
  • Comfortable · 70–86°F · 929
  • Warm · above 86°F · 215
  • 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. Allegheny River at Kinzua Dam, PAUSGS gauge · Pennsylvania · 1,480 ft³/s
    71°F23 mi21 hrs ago
  2. Allegheny River below Kinzua Dam at Big Bend, PAUSGS gauge · Pennsylvania
    70°F24 mi21 hrs ago
  3. ALLEGHENY RIVER AT RED HOUSE NYUSGS gauge · New York
    67°F25 mi1 day ago
  4. CATTARAUGUS CREEK AT GOWANDA NYUSGS gauge · New York · 157 ft³/s
    65°F31 mi1 day ago
  5. Tionesta Creek at Lynch, PAUSGS gauge · Pennsylvania · 87 ft³/s
    64°F37 mi22 hrs ago
  6. Tionesta Creek at Tionesta Creek Dam, PAUSGS gauge · Pennsylvania · 158 ft³/s
    75°F44 mi21 hrs ago
  7. French Creek at Cambridge Springs, PAUSGS gauge · Pennsylvania
    71°F44 mi22 hrs ago
  8. Woodcock Creek at Blooming Valley, PAUSGS gauge · Pennsylvania · 9 ft³/s
    64°F48 mi21 hrs ago

Nearest swimmable spots

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

Chautauqua Lake4.7(205)

Chautauqua Lake

Lake · Chautauqua Lake, New York

Large lake with shoreline parks, popular for recreational boating, fishing & dinner cruises.

8.9 mi from your location

Allegheny Reservoir4.8(105)

Allegheny Reservoir

Lake · Pennsylvania
Camping nearby

Paddling, boating & angling around a lakeshore bordered by a forest laced with hiking trails.

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.