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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 (10 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. CONNECTICUT RIVER NEAR NORTHFIELD, MAUSGS gauge · Massachusetts · 2,590 ft³/s
    76°F43 mi11 hrs ago
  2. WARE RIVER AT INTAKE WORKS NEAR BARRE, MAUSGS gauge · Massachusetts · 19 ft³/s
    68°F49 mi11 hrs ago
  3. HUDSON RIVER AT ALBANY NYUSGS gauge · New York
    77°F51 mi11 hrs ago
  4. ESOPUS CREEK AT MOUNT MARION NYUSGS gauge · New York · 122 ft³/s
    73°F52 mi11 hrs ago
  5. MOHAWK RIVER AT COHOES NYUSGS gauge · New York · 788 ft³/s
    75°F56 mi11 hrs ago
  6. QUINAPOXET RIVER AT CANADA MILLS NEAR HOLDEN, MAUSGS gauge · Massachusetts · 3 ft³/s
    66°F60 mi11 hrs ago
  7. STILLWATER RIVER NEAR STERLING, MAUSGS gauge · Massachusetts · 6 ft³/s
    65°F63 mi11 hrs ago
  8. GATES BROOK NEAR WEST BOYLSTON, MAUSGS gauge · Massachusetts · 3 ft³/s
    60°F63 mi11 hrs ago

Nearest swimmable spots

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

Otis Reservoir4.7(34)

Otis Reservoir

Lake · Otis, Massachusetts

This 1,085-acre reservoir offers recreational activities, including water-skiing & fishing.

3.5 mi from your location

Lake Buel5.0(14)

Lake Buel

Lake · Massachusetts

Vast pond & popular nature getaway for leisure, boating & wildlife watching, with amenities nearby.

15 mi from your location

Burr Pond State Park4.6(1,020)

Burr Pond State Park

State park · Torrington, Connecticut

Placid, verdant park with hiking trails, a pond for swimming & fishing & picnic areas.

22 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.