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The Water Around Us
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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 (7 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. Maumee River at Waterville OHUSGS gauge · Ohio · 4,780 ft³/s
    75°F21 mi8 hrs ago
  2. Maumee River near Defiance OHUSGS gauge · Ohio · 4,530 ft³/s
    76°F32 mi8 hrs ago
  3. LOWER RIVER ROUGE AT WAYNE, MIUSGS gauge · Michigan · 50 ft³/s
    69°F49 mi8 hrs ago
  4. Sandusky River near Fremont OHUSGS gauge · Ohio · 302 ft³/s
    72°F52 mi8 hrs ago
  5. Maumee River at Antwerp OHUSGS gauge · Ohio · 1,790 ft³/s
    73°F52 mi8 hrs ago
  6. LOWER RIVER ROUGE AT DEARBORN, MIUSGS gauge · Michigan · 63 ft³/s
    67°F56 mi8 hrs ago
  7. HOG CREEK AT CADY RD AT HODUNK, MIUSGS gauge · Michigan · 26 ft³/s
    66°F58 mi8 hrs ago
  8. RIVER ROUGE AT DETROIT, MIUSGS gauge · Michigan · 71 ft³/s
    67°F60 mi7 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.