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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. HALLS RIVER NEAR HOMOSASSA FLUSGS gauge · Florida
    80°F3.1 mi1 day ago
  2. HALLS RIVER AT KINGSTON DR AT HOMOSASSA SPRINGS FLUSGS gauge · Florida
    84°F3.3 mi1 day ago
  3. SE FORK HOMOSASSA SPRING AT HOMOSASSA SPRINGS FLUSGS gauge · Florida · 36 ft³/s
    75°F4.0 mi1 day ago
  4. CRYSTAL RIVER NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    88°F5.9 mi1 day ago
  5. GULF OF AMERICA AT MARKER 14 NEAR HOMOSASSA, FLUSGS gauge · Florida
    89°F6.9 mi1 day ago
  6. CRYSTAL RV AT MOUTH NR SHELL ISL NR CRYSTAL RV FLUSGS gauge · Florida
    88°F7.7 mi1 day ago
  7. GULF OF AMERICA NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    96°F8.7 mi1 day ago
  8. GULF OF AMERICA NEAR CHASSAHOWITZKA, FLUSGS gauge · Florida
    89°F12 mi1 day ago

Nearest swimmable spots

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

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.

4.0 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.

4.2 mi from your location

Fort Island Trail Park4.5(467)

Fort Island Trail Park

Park · Crystal River, Florida

Leafy public park featuring a riverside boardwalk, fishing pier, boat ramp & picnic pavilion.

5.7 mi from your location

Crystal River Preserve State Park4.6(553)

Crystal River Preserve State Park

State park · Crystal River, Florida

20 miles of coastline with islands, inlets, trails, wildlife viewing, fishing & a visitor center.

6.2 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.

6.2 mi from your location

Fort Island Beach4.4(2,991)

Fort Island Beach

Beach · Crystal River, Florida

White-sand beach featuring covered picnic tables & restrooms, plus a boat ramp & a fishing pier.

6.6 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.

17 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.