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.
- DUNGENESS RIVER NEAR SEQUIM, WAUSGS gauge · Washington · 84 ft³/s56°F3.9 mi7 hrs ago
- NF SKOKOMISH R BL STAIRCASE RPDS NR HOODSPORT, WAUSGS gauge · Washington · 37 ft³/s53°F39 mi7 hrs ago
- SKAGIT RIVER NEAR MOUNT VERNON, WAUSGS gauge · Washington · 6,640 ft³/s64°F46 mi6 hrs ago
- BOGACHIEL RIVER NEAR FORKS, WAUSGS gauge · Washington · 79 ft³/s67°F57 mi7 hrs ago
- CALAWAH RIVER NEAR FORKS, WAUSGS gauge · Washington · 65 ft³/s60°F58 mi7 hrs ago
- DUWAMISH RIVER AT GOLF COURSE AT TUKWILA, WAUSGS gauge · Washington · 607 ft³/s68°F58 mi6 hrs ago
- NOOKSACK RIVER AT FERNDALE, WAUSGS gauge · Washington · 1,150 ft³/s64°F59 mi7 hrs ago
- CEDAR RIVER AT RENTON, WAUSGS gauge · Washington · 120 ft³/s62°F60 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.