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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 (14 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. WACCASASSA RIVER NR GULF HAMMOCK, FLA.USGS gauge · Florida
    85°F4.8 mi15 hrs ago
  2. GULF OF AMERICA NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    96°F16 mi14 hrs ago
  3. CRYSTAL RV AT MOUTH NR SHELL ISL NR CRYSTAL RV FLUSGS gauge · Florida
    88°F16 mi14 hrs ago
  4. CRYSTAL RIVER NEAR CRYSTAL RIVER FLUSGS gauge · Florida
    88°F19 mi15 hrs ago
  5. SUWANNEE RIVER AB GOPHER RIVER NR SUWANNEE FLUSGS gauge · Florida
    87°F22 mi14 hrs ago
  6. HALLS RIVER AT KINGSTON DR AT HOMOSASSA SPRINGS FLUSGS gauge · Florida
    84°F25 mi14 hrs ago
  7. HALLS RIVER NEAR HOMOSASSA FLUSGS gauge · Florida
    80°F26 mi14 hrs ago
  8. MANATEE SPRING NR CHIEFLAND FLAUSGS gauge · Florida · 156 ft³/s
    73°F26 mi14 hrs ago

Nearest swimmable spots

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

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.

17 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.

19 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.

19 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.

21 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.