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Live · updated daily from USGS

Swimmable water near you

2,137 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (8 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 595
  • 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. Jacobs Well Spg nr Wimberley, TXUSGS gauge · Texas · 0 ft³/s
    70°F21 mi9 hrs ago
  2. Barton Spgs at Austin, TXUSGS gauge · Texas · 20 ft³/s
    72°F30 mi9 hrs ago
  3. AY-68-29-112 (Donella)USGS gauge · Texas
    73°F41 mi8 hrs ago
  4. AY-68-28-211 (Shavano Park at Fawn Drive)USGS gauge · Texas
    72°F45 mi9 hrs ago
  5. Brushy Ck at Red Bud Ln nr Round Rock, TXUSGS gauge · Texas
    85°F50 mi9 hrs ago
  6. AY-68-36-132 (Z DED)USGS gauge · Texas
    72°F51 mi9 hrs ago
  7. AY-68-27-610 (Parkwood Park)USGS gauge · Texas
    72°F51 mi9 hrs ago
  8. San Antonio Rv nr Elmendorf, TXUSGS gauge · Texas · 142 ft³/s
    87°F52 mi9 hrs ago

Nearest swimmable spots

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

Lake Kyle Park4.3(608)

Lake Kyle Park

City park · Kyle, Texas

Wildlife, native flora & catch-&-release fishing are among the attractions at this lake-based site.

10 mi from your location

San Marcos River4.4(647)

San Marcos River

River · Texas

Fed by natural springs from the Edwards Aquifer, the San Marcos River maintains crystal-clear water at a consistent 72-78°F year-round, with depths typically 2-8 feet. The 75-mile river is a premier tubing destination just 30 miles from Austin, with outfitters offering 45-minute downtown floats to 3-hour adventures. Swimming access is available at multiple city parks. The springs are ecologically unique, home to endangered species including the Texas blind salamander and fountain darter. Parks open 6 AM to 11 PM.

14 mi from your location

Comal River4.6(437)

Comal River

River · New Braunfels, Texas
Camping nearby

The Comal River is the shortest navigable river in the state of Texas in the United States. Proclaimed the "longest shortest river in the world" by locals, it runs entirely within the city limits of New Braunfels in southeast Comal County. It is a tributary of the Guadalupe River.

19 mi from your location

Comal Springs5.0(23)

Comal Springs

Spring · New Braunfels, Texas
Camping nearby

Peaceful natural springs flowing up from the ground, forming pools for wading & swimming.

19 mi from your location

Lake McQueeney4.4(48)

Lake McQueeney

Lake · Texas

Artificial lake in a residential area featuring fishing, swimming, boating & a developed island.

20 mi from your location

Guadalupe River4.6(890)

Guadalupe River

River · Texas
Camping nearby

The 230-mile Guadalupe River is Texas Hill Country's premier tubing and rafting destination, with the stretch through New Braunfels offering rapids, boulders, and tube chutes. The popular Horseshoe Loop provides a one-hour float with manageable rapids, while longer sections offer 2-6 hour adventures. Flow is controlled by Canyon Lake dam releases. Tube rentals run $15-22 per person with shuttle. Alcohol allowed in non-disposable containers only within city limits; life jackets required when flow exceeds 750 cfs.

22 mi from your location

Canyon Lake4.7(165)

Canyon Lake

Lake · Canyon Lake, Texas

Water sports, camping, fishing, hiking & horseback riding draw locals to this large, scenic lake.

24 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.