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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 (21 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 R DAMES POINT BRIDGE AT JACKSONVILLE, FLUSGS gauge · Florida
    87°F5.4 mi21 hrs ago
  2. CLAPBOARD CRK AB BUCKHORN BLUFF NR JAX, FLUSGS gauge · Florida
    87°F6.3 mi21 hrs ago
  3. POTTSBURG CRK AT US90 NR S. JACKSONVILLE, FLUSGS gauge · Florida · 231 ft³/s
    82°F8.3 mi21 hrs ago
  4. ST JOHNS RIVER BL MARCO LK AT JACKSONVILLE, FLUSGS gauge · Florida
    87°F12 mi21 hrs ago
  5. ST JOHNS RVR AT CHRISTOPHER PT NR JACKSONVILLE, FLUSGS gauge · Florida
    86°F13 mi22 hrs ago
  6. ST.JOHNS RIVER BUCKMAN BRIDGE AT JACKSONVILLE,FLUSGS gauge · Florida
    87°F17 mi21 hrs ago
  7. CEDAR RIVER AT SAN JUAN AVENUE AT JACKSONVILLE, FLUSGS gauge · Florida · 159 ft³/s
    86°F17 mi22 hrs ago
  8. TROUT RIVER BL US 1 AT DINSMORE, FLUSGS gauge · Florida
    82°F18 mi21 hrs ago

Nearest swimmable spots

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

Little Talbot Island State Park4.7(2,628)

Little Talbot Island State Park

State park · Jacksonville, Florida
Camping nearby

Barrier-island nature area with sandy beaches & activities such as kayaking, surfing & picnicking.

6.7 mi from your location

Jacksonville Beach Pier4.5(4,206)

Jacksonville Beach Pier

Fishing pier · Jacksonville Beach, Florida

Vast, handicapped-accessible wooden deck with fish cleaning stations, a concession area & bait shop.

7.2 mi from your location

Oceanfront Park4.7(3,883)

Oceanfront Park

Park · Jacksonville Beach, Florida

Park with a playground, beach access, picnic shelters & a bronze statue of a boy riding a dolphin.

7.7 mi from your location

Boneyard Beach4.8(655)

Boneyard Beach

State park · Jacksonville, Florida

Sandy state park beach scattered with twisted dead trees, branches & driftwood, accessed by trail.

9.2 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.