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Live · updated daily from USGS

Swimmable water near you

1,325 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (2 hrs ago).

Clear location
  • Cold · below 60°F · 218
  • Cool · 60–69°F · 484
  • Comfortable · 70–86°F · 545
  • Warm · above 86°F · 78
  • 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. SAVANNAH RIVER AT ELBA ISLAND, NEAR SAVANNAH, GAUSGS gauge · South Carolina
    87°F276 mi3 hrs ago
  2. LITTLE BACK RIVER AT FW DOCK, NEAR LIMEHOUSE, SCUSGS gauge · South Carolina
    87°F279 mi3 hrs ago
  3. L BACK RIVER ABOVE LUCKNOW CANAL, NR LIMEHOUSE, SCUSGS gauge · South Carolina
    88°F280 mi13 hrs ago
  4. NEW RIVER AT SC 46, NEAR HARDEEVILLE, SCUSGS gauge · South Carolina
    84°F285 mi3 hrs ago
  5. SAVANNAH RIVER NEAR TILLMAN, SCUSGS gauge · South Carolina
    86°F290 mi3 hrs ago
  6. STONO RIVER AT MAIN RD BELOW RANTOWLES, SCUSGS gauge · South Carolina
    88°F340 mi3 hrs ago
  7. COOPER RIVER AT S. ADGERS WHARF AT CHARLESTON, SCUSGS gauge · South Carolina
    87°F344 mi3 hrs ago
  8. ASHLEY RIVER NEAR NORTH CHARLESTON, SCUSGS gauge · South Carolina
    89°F345 mi3 hrs ago

Nearest swimmable spots

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

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.

20 mi from your location

Hillsborough River State Park Campground4.6(568)

Hillsborough River State Park Campground

Campground · Thonotosassa, Florida
Camping nearby

Scenic state park with seven miles of nature trails & a kayak launch, plus an outdoor swimming pool.

20 mi from your location

Anclote River Park4.6(3,170)

Anclote River Park

Park · Holiday, Florida

Park featuring a 300-foot beach, a boat launch, designated fishing areas & a pavilion for picnics.

20 mi from your location

Sunset Beach4.6(2,946)

Sunset Beach

Beach · Tarpon Springs, Florida

11-acre beach park on a peninsula featuring a playground, a boat launch, volleyball & more.

21 mi from your location

Howard Park Beach4.7(842)

Howard Park Beach

Beach · Tarpon Springs, Florida

Swimming & kayaking are popular activities at this long, white-sand beach backed by palm trees.

22 mi from your location

Wall Springs Park4.8(2,636)

Wall Springs Park

Park · Palm Harbor, Florida
Camping nearby

Natural area with bayou views, walking paths, an observation tower & a playground.

22 mi from your location

Mobbly Bayou Beach Park4.5(531)

Mobbly Bayou Beach Park

City park · Oldsmar, Florida

Harbor & beach park with picnic shelters, exercise equipment, a dog run, canoe launch & restrooms.

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.