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 22, 2026 (6 hrs ago).
- Cold · below 60°F · 384
- Cool · 60–69°F · 607
- Comfortable · 70–86°F · 930
- 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.
- ELK RIVER ABOVE FAYETTEVILLE, TNUSGS gauge · Tennessee · 314 ft³/s75°F22 mi7 hrs ago
- HARPETH RIVER AT MCDANIEL, TNUSGS gauge · Tennessee · 2 ft³/s77°F67 mi7 hrs ago
- WF STONES R AT BLANTON RD MURFREESBORO, TNUSGS gauge · Tennessee80°F67 mi7 hrs ago
- COOSA RIVER AT STATE LINE, AL/GAUSGS gauge · Alabama · 4,190 ft³/s86°F67 mi1 day ago
- TERRAPIN CREEK AT ELLISVILLE ALUSGS gauge · Alabama · 121 ft³/s80°F70 mi1 day ago
- HARPETH RIVER AT MILE 90.5 NEAR FRANKLIN, TNUSGS gauge · Tennessee · 44 ft³/s77°F75 mi6 hrs ago
- COOSA RIVER MAYOS BAR NEAR ROME, GAUSGS gauge · Georgia · 2,300 ft³/s82°F75 mi1 day ago
- 77°F80 mi7 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
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.