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 (3 hrs 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.
- ROANOKE RIVER AT NC 45 NR WESTOVER, NCUSGS gauge · North Carolina85°F27 mi3 hrs ago
- ROANOKE RIVER AT JAMESVILLE, NCUSGS gauge · North Carolina85°F37 mi4 hrs ago
- CONVEYANCE CHAN AT RAMSGATE LN NR GREAT BRIDGE, VAUSGS gauge · Virginia · 0 ft³/s76°F37 mi3 hrs ago
- 78°F40 mi3 hrs ago
- STORM DRAIN AT DAISY DRIVE NEAR PORTSMOUTH, VAUSGS gauge · Virginia · 1 ft³/s76°F41 mi3 hrs ago
- BLACKWATER RIVER AT ROUTE 620 NEAR ZUNI, VAUSGS gauge · Virginia · 13 ft³/s78°F42 mi4 hrs ago
- 81°F43 mi3 hrs ago
- STORM DRAIN AT LUDLOW DRIVE NEAR KEMPSVILLE, VAUSGS gauge · Virginia · 0 ft³/s76°F45 mi4 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.