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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,141 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (13 mins ago).

Clear location
  • Cold · below 60°F · 385
  • Cool · 60–69°F · 607
  • Comfortable · 70–86°F · 934
  • 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. Barton Spgs at Austin, TXUSGS gauge · Texas · 22 ft³/s
    72°F30 mi1 hr ago
  2. Brushy Ck at Red Bud Ln nr Round Rock, TXUSGS gauge · Texas
    86°F32 mi53 mins ago
  3. Jacobs Well Spg nr Wimberley, TXUSGS gauge · Texas · 0 ft³/s
    70°F51 mi38 mins ago
  4. AY-68-29-112 (Donella)USGS gauge · Texas
    73°F82 mi23 mins ago
  5. AY-68-28-211 (Shavano Park at Fawn Drive)USGS gauge · Texas
    72°F86 mi1 hr ago
  6. AY-68-36-132 (Z DED)USGS gauge · Texas
    72°F91 mi1 hr ago
  7. San Antonio Rv nr Elmendorf, TXUSGS gauge · Texas · 133 ft³/s
    87°F91 mi38 mins ago
  8. AY-68-27-610 (Parkwood Park)USGS gauge · Texas
    72°F92 mi1 hr 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.