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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,135 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (18 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 594
  • Comfortable · 70–86°F · 938
  • Warm · above 86°F · 228
  • 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. NIUKLUK R AB MELSING C AT COUNCIL AKUSGS gauge · Alaska · 1,330 ft³/s
    51°F70 mi20 hrs ago
  2. UNALAKLEET R AB CHIROSKEY R NR UNALAKLEET AKUSGS gauge · Alaska · 3,600 ft³/s
    47°F141 mi19 hrs ago
  3. WULIK R BL TUTAK C NR KIVALINA AKUSGS gauge · Alaska · 894 ft³/s
    50°F149 mi19 hrs ago
  4. YUKON R AT PILOT STATION AKUSGS gauge · Alaska · 427,000 ft³/s
    63°F265 mi19 hrs ago
  5. KUSKOKWIM R AT MCGRATH AKUSGS gauge · Alaska · 34,000 ft³/s
    54°F282 mi19 hrs ago
  6. CROOKED C AB AIRPORT RD NR CROOKED CREEK AKUSGS gauge · Alaska · 588 ft³/s
    45°F298 mi19 hrs ago
  7. KUSKOKWIM R AT TULUKSAK AKUSGS gauge · Alaska · 109,000 ft³/s
    57°F325 mi19 hrs ago
  8. SF KOYUKUK R NR COLDFOOT AKUSGS gauge · Alaska
    49°F346 mi19 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.