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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

2,141 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (2 hrs ago).

Clear location
  • Cold · below 60°F · 385
  • 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. RUSSIAN R NR CLOVERDALE CAUSGS gauge · California · 120 ft³/s
    65°F24 mi1 day ago
  2. RUSSIAN R NR HOPLAND CAUSGS gauge · California · 121 ft³/s
    59°F28 mi1 day ago
  3. DRY C BLW LAMBERT BR NR GEYSERVILLE CAUSGS gauge · California · 92 ft³/s
    57°F29 mi1 day ago
  4. RUSSIAN R A HACIENDA BRIDGE NR GUERNEVILLE CAUSGS gauge · California · 101 ft³/s
    71°F32 mi1 day ago
  5. RUSSIAN R A DIGGER BEND NR HEALDSBURG CAUSGS gauge · California · 100 ft³/s
    71°F33 mi1 day ago
  6. 009N009W02F001MUSGS gauge · California
    63°F34 mi1 day ago
  7. RUSSIAN R A JIMTOWN CAUSGS gauge · California · 104 ft³/s
    69°F34 mi1 day ago
  8. EF RUSSIAN R NR CALPELLA CAUSGS gauge · California · 32 ft³/s
    69°F40 mi1 day ago

Nearest swimmable spots

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

Manchester State Park4.7(62)

Manchester State Park

Beach · California
Camping nearby

Part of a California state park, this lengthy beach offers nearby hiking trails & campgrounds.

23 mi from your location

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.