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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 (19 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. ST JOHNS RV SHANDS BRIDGE NR GREEN COVE SPGS FLUSGS gauge · Florida
    87°F3.5 mi20 hrs ago
  2. ST JOHNS R BLW SHANDS BRIDGE NR GRN COVE SPRG, FLUSGS gauge · Florida
    87°F4.0 mi19 hrs ago
  3. JULINGTON CRK AT HOOD LANDING NR BAYARD, FLUSGS gauge · Florida
    86°F11 mi20 hrs ago
  4. DURBIN CREEK NEAR FRUIT COVE, FLUSGS gauge · Florida · 50 ft³/s
    82°F12 mi19 hrs ago
  5. ST.JOHNS RVR AB BUCKMAN BRIDGE AT JACKSONVILLE,FLUSGS gauge · Florida
    87°F13 mi20 hrs ago
  6. ST.JOHNS RIVER BUCKMAN BRIDGE AT JACKSONVILLE,FLUSGS gauge · Florida
    87°F14 mi19 hrs ago
  7. ORTEGA RIVER SALINITY AT JACKSONVILLE, FLUSGS gauge · Florida
    82°F15 mi19 hrs ago
  8. ST JOHNS RIVER AT RACY PT NEAR HASTINGS FLUSGS gauge · Florida
    86°F15 mi19 hrs ago

Nearest swimmable spots

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

Boathouse Riverfront Park4.6(1,780)

Boathouse Riverfront Park

Park · Palatka, Florida

Gateway to the St. Johns River in Palatka, this riverfront park features a quarter-mile scenic riverwalk with panoramic river views, an observation deck overlooking the Old Memorial Bridge, and the nature-focused Puc Puggy Playground with a splash pad. The marina offers boat slip rentals, kayak rentals, and scenic water tours. A WWII submarine memorial for USS Tang and the St. Johns River Center — the official welcome center for the Bartram National Recreation Trail — anchor the park's historical significance.

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.