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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,140 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (3 hrs ago).

Clear location
  • Cold · below 60°F · 384
  • Cool · 60–69°F · 607
  • Comfortable · 70–86°F · 934
  • 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.

  1. SAUK RIVER AT DARRINGTON, WAUSGS gauge · Washington
    63°F4.2 mi4 hrs ago
  2. SAUK RIVER AB WHITE CHUCK RIVER NR DARRINGTON, WAUSGS gauge · Washington · 179 ft³/s
    60°F4.8 mi4 hrs ago
  3. SAUK RIVER NEAR SAUK, WAUSGS gauge · Washington · 1,290 ft³/s
    62°F16 mi4 hrs ago
  4. SOUTH FORK SULTAN RIVER NEAR SULTAN, WAUSGS gauge · Washington · 5 ft³/s
    58°F17 mi4 hrs ago
  5. SULTAN RIVER BELOW DIVERSION DAM NEAR SULTAN, WAUSGS gauge · Washington · 108 ft³/s
    55°F19 mi4 hrs ago
  6. SULTAN RIVER BELOW POWERPLANT NEAR SULTAN, WAUSGS gauge · Washington · 330 ft³/s
    57°F23 mi4 hrs ago
  7. CASCADE RIVER AT MARBLEMOUNT, WAUSGS gauge · Washington · 402 ft³/s
    57°F24 mi4 hrs ago
  8. SKAGIT RIVER AT MARBLEMOUNT, WAUSGS gauge · Washington · 2,200 ft³/s
    54°F25 mi4 hrs ago

Nearest swimmable spots

Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.

No rated, photographed swim spots within 25 miles of this point yet. The nearest sensor readings above still tell you what the water is doing — or search any river, lake or beach by name.
Search a spot →

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.