Live · updated daily from USGS
Swimmable water near you
2,134 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (20 hrs ago).
- Cold · below 60°F · 383
- Cool · 60–69°F · 607
- Comfortable · 70–86°F · 929
- 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.
- SAUK RIVER NEAR SAUK, WAUSGS gauge · Washington · 1,290 ft³/s62°F11 mi20 hrs ago
- SKAGIT RIVER AT MARBLEMOUNT, WAUSGS gauge · Washington · 2,200 ft³/s54°F14 mi20 hrs ago
- CASCADE RIVER AT MARBLEMOUNT, WAUSGS gauge · Washington · 402 ft³/s57°F14 mi20 hrs ago
- BACON CREEK BELOW OAKES CREEK NEAR MARBLEMOUNT, WAUSGS gauge · Washington · 82 ft³/s55°F16 mi21 hrs ago
- SKOOKUM CREEK ABOVE DIVERSION NEAR WICKERSHAM, WAUSGS gauge · Washington · 14 ft³/s60°F21 mi21 hrs ago
- SAUK RIVER AT DARRINGTON, WAUSGS gauge · Washington63°F21 mi20 hrs ago
- SF NOOKSACK RIVER AT SAXON BRIDGE, WAUSGS gauge · Washington · 77 ft³/s67°F22 mi21 hrs ago
- NEWHALEM CREEK AT NEWHALEM, WAUSGS gauge · Washington · 35 ft³/s56°F23 mi21 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.