Live · updated daily from USGS
Swimmable water near you
1,325 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (1 hr ago).
- Cold · below 60°F · 218
- Cool · 60–69°F · 484
- Comfortable · 70–86°F · 545
- 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.
- 86°F44 mi2 hrs ago
- MCTIER CREEK RD 209 NEAR MONETTA, SCUSGS gauge · South Carolina · 2 ft³/s76°F48 mi1 hr ago
- SAVANNAH RIVER NEAR TILLMAN, SCUSGS gauge · South Carolina86°F57 mi2 hrs ago
- THURMOND LAKE NEAR PLUM BRANCH, SCUSGS gauge · South Carolina88°F67 mi2 hrs ago
- 88°F68 mi11 hrs ago
- 84°F68 mi2 hrs ago
- 87°F69 mi2 hrs ago
- LITTLE SALUDA R NEAR PROSPERITY, SCUSGS gauge · South Carolina88°F71 mi2 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.