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Live · updated daily from USGS

Swimmable water near you

2,137 USGS sensors are reporting a live water temperature right now, the newest reading from August 21, 2026 (9 hrs ago).

Clear location
  • Cold · below 60°F · 375
  • Cool · 60–69°F · 595
  • Comfortable · 70–86°F · 938
  • Warm · above 86°F · 229
  • 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. SE FORK HOMOSASSA SPRING AT HOMOSASSA SPRINGS FLUSGS gauge · Florida · 36 ft³/s
    75°F21 mi10 hrs ago
  2. HALLS RIVER NEAR HOMOSASSA FLUSGS gauge · Florida
    80°F22 mi9 hrs ago
  3. HALLS RIVER AT KINGSTON DR AT HOMOSASSA SPRINGS FLUSGS gauge · Florida
    84°F22 mi10 hrs ago
  4. CRYSTAL RIVER NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    88°F27 mi10 hrs ago
  5. GULF OF AMERICA NEAR CHASSAHOWITZKA, FLUSGS gauge · Florida
    89°F28 mi10 hrs ago
  6. GULF OF AMERICA AT MARKER 14 NEAR HOMOSASSA, FLUSGS gauge · Florida
    89°F28 mi10 hrs ago
  7. CRYSTAL RV AT MOUTH NR SHELL ISL NR CRYSTAL RV FLUSGS gauge · Florida
    88°F31 mi10 hrs ago
  8. GULF OF AMERICA NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    96°F33 mi10 hrs ago

Nearest swimmable spots

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

Lake Okahumpka Park4.5(582)

Lake Okahumpka Park

Park · Wildwood, Florida
Camping nearbyDog-friendly

130-acre park with pet stations & picnic shelters, plus a paved trail, disc-golf course & boat ramp.

21 mi from your location

Ellie Schiller Homosassa Springs Wildlife State Park4.7(8,793)

Ellie Schiller Homosassa Springs Wildlife State Park

State park · Homosassa, Florida

Showcase for native Floridian wildlife, including an underwater observatory for manatee viewing.

21 mi from your location

Homosassa Springs4.8(51)

Homosassa Springs

Spring · Homosassa, Florida

Large, historic spring in a state park, best known as a hot spot for wintering manatees.

21 mi from your location

Alfred A McKethan Pine Island Park4.5(6,810)

Alfred A McKethan Pine Island Park

Park · Spring Hill, Florida

Gulf beach with swimming & showers, picnic facilities, volleyball, bird-watching & playgrounds.

24 mi from your location

Hunter Springs Park4.6(5,321)

Hunter Springs Park

City park · Crystal River, Florida

This wooded park is named for its natural springs & popular for a cozy beach with a kayak launch.

25 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.