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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 (1 day 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. HILLSBOROUGH RIVER AT PLATT STREET AT TAMPA FLUSGS gauge · Florida
    89°F20 mi1 day ago
  2. ALAFIA RIVER AT GIBSONTON FLUSGS gauge · Florida
    89°F22 mi1 day ago
  3. HILLSBOROUGH R. AT I-275 BRIDGE AT SULPHUR SPGS FLUSGS gauge · Florida
    83°F24 mi1 day ago
  4. SULPHUR SPRINGS RUN AT SULPHUR SPRINGS FLUSGS gauge · Florida
    79°F24 mi1 day ago
  5. SULPHUR SPRINGS AT SULPHUR SPRINGS FLUSGS gauge · Florida · 25 ft³/s
    80°F24 mi1 day ago
  6. HILLSBOROUGH R BL HANNAHS WHIRL NR SULPHUR SPGS FLUSGS gauge · Florida
    86°F24 mi1 day ago
  7. ALAFIA RIVER AT US 301 AT RIVERVIEW, FLUSGS gauge · Florida
    88°F25 mi1 day ago
  8. MANATEE RIVER AT RYE FLUSGS gauge · Florida
    87°F29 mi1 day ago

Nearest swimmable spots

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

Treasure Island Beach4.7(2,278)

Treasure Island Beach

Public beach · Treasure Island, Florida
Dog-friendly

Treasure Island offers three miles of family-friendly white-sand Gulf beaches across a barrier island near St. Petersburg. Named after a 1915 real estate stunt involving buried treasure chests, the island features the mile-long Treasure Island Beach Trail connecting beachside tiki bars and amenities. The St. Petersburg Municipal Beach provides restrooms, showers, wheelchair accessibility, volleyball courts, playgrounds, and generous dunes, all backed by spectacular Gulf sunsets.

2.8 mi from your location

Upham Beach Park4.7(2,297)

Upham Beach Park

Beach · St Pete Beach, Florida

Wide, white sandy beach backed by dunes, known for dolphin sightings & light surfing.

3.3 mi from your location

St. Pete Beach4.7(870)

St. Pete Beach

Beach · St Pete Beach, Florida

Sweeping white sandy beach on a barrier island known for resorts & water sports.

4.1 mi from your location

St. Pete Pier4.7(15,477)

St. Pete Pier

Park · St. Petersburg, Florida
Camping nearbyDog-friendly

Picturesque waterfront pier hosting 26 acres of water sports, parks, restaurants & outdoor concerts.

6.0 mi from your location

Pass-a-Grille Beach4.8(2,468)

Pass-a-Grille Beach

Public beach · St Pete Beach, Florida
Dog-friendly

Laid-back, sandy beach with paddleboard & speedboat rentals, as well as restrooms & showers.

6.2 mi from your location

North Beach At Fort DeSoto Park4.8(4,481)

North Beach At Fort DeSoto Park

Beach · St. Petersburg, Florida
Camping nearby

Vast white strand known for its broad tidal pool, sand dollars & a pirate ship-themed play area.

9.8 mi from your location

Indian Rocks Beach4.8(6,609)

Indian Rocks Beach

Public beach · Indian Rocks Beach, Florida

Small gulfside park featuring a sandy beach & swimming, plus restrooms, showers & fee parking.

11 mi from your location

Fort De Soto4.8(2,494)

Fort De Soto

Beach · St. Petersburg, Florida
Camping nearbyDog-friendly

Spanning 1,136 acres across five interconnected islands south of St. Petersburg, Fort De Soto Park offers over 7 miles of award-winning beaches. North Beach features long, silky sand perfect for swimming, while a designated dog beach welcomes four-legged visitors. The park protects mangroves, wetlands, and over 328 documented bird species as a Great Florida Birding Trail gateway site. Built as a coastal defense fort during the Spanish-American War (1898-1906), visitors can explore the historic fort, kayak, bike, fish from two piers, or take the ferry to Egmont Key.

11 mi from your location

Clearwater Beach (Clearwater, Florida)4.8(3,652)

Clearwater Beach (Clearwater, Florida)

Beach pavillion · Clearwater, Florida

This famous beach lent its name to the adjoining city & offers a space for sunbathing & swimming.

15 mi from your location

Bahia Beach3.7(329)

Bahia Beach

Beach · Ruskin, Florida
Camping nearby

Small beach with an adjacent boardwalk & fishing pier offering panoramic bay views.

16 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.

17 mi from your location

Bean Point Beach4.8(1,640)

Bean Point Beach

Beach · Anna Maria, Florida

Peaceful locale known for its wide sandy beach, tranquil waters & stunning sunset views.

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.