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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,136 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (13 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 594
  • 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. Mississippi River at Baton Rouge, LAUSGS gauge · Louisiana · 251,000 ft³/s
    82°F69 mi14 hrs ago
  2. Vermilion River at Surrey St. at Lafayette, LAUSGS gauge · Louisiana · 784 ft³/s
    89°F76 mi14 hrs ago
  3. Ouiska Chitto Creek Near Oberlin, LAUSGS gauge · Louisiana · 237 ft³/s
    79°F77 mi14 hrs ago
  4. PEARL RIVER AT ROCKPORT, MSUSGS gauge · Mississippi · 797 ft³/s
    90°F103 mi13 hrs ago
  5. Maurepas Swamp nr Hope Canal, N of Garyville, LaUSGS gauge · Louisiana
    79°F106 mi13 hrs ago
  6. Vermilion Bay near Cypremort Point, LAUSGS gauge · Louisiana
    88°F110 mi14 hrs ago
  7. Calcasieu River at I-10 at Lake Charles, LAUSGS gauge · Louisiana
    90°F113 mi14 hrs ago
  8. Vermilion Bay(B. Fearman) nr Intracoastal City, LAUSGS gauge · Louisiana
    88°F114 mi14 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.