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The Water Around Us
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Live · updated daily from USGS

Swimmable water near you

1,325 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (1 hr ago).

Clear location
  • Cold · below 60°F · 218
  • Cool · 60–69°F · 484
  • Comfortable · 70–86°F · 545
  • Warm · above 86°F · 78
  • 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. CHOPTANK RIVER NEAR GREENSBORO, MDUSGS gauge · Maryland · 81 ft³/s
    74°F23 mi1 hr ago
  2. Patuxent R at Gov Bridge Natural Area nr Bowie MDUSGS gauge · Maryland
    74°F27 mi1 hr ago
  3. FOSTER BRANCH NEAR JOPPATOWNE, MDUSGS gauge · Maryland · 11 ft³/s
    72°F36 mi1 hr ago
  4. NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MDUSGS gauge · Maryland · 48 ft³/s
    73°F39 mi1 hr ago
  5. NORTHWEST BRANCH ANACOSTIA RIVER AT BRENTWOOD, MDUSGS gauge · Maryland · 57 ft³/s
    73°F41 mi1 hr ago
  6. PLUMTREE RUN NEAR BEL AIR, MDUSGS gauge · Maryland · 9 ft³/s
    70°F42 mi1 hr ago
  7. PAINT BRANCH NEAR COLLEGE PARK, MDUSGS gauge · Maryland · 8 ft³/s
    71°F42 mi1 hr ago
  8. SLIGO CREEK NEAR TAKOMA PARK, MDUSGS gauge · Maryland · 5 ft³/s
    72°F44 mi1 hr ago

Nearest swimmable spots

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

Lake Waterford Park4.6(1,610)

Lake Waterford Park

Park · Severna Park, Maryland

County park with a lake, offering recreational & natural areas, plus an accessible playing field.

24 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.