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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 (10 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. MISSISSIPPI SOUND AT USGS ROUND ISLAND LIGHT, MSUSGS gauge · Mississippi
    88°F27 mi11 hrs ago
  2. BAYOU SARA AT SARALAND, ALAUSGS gauge · Alabama
    78°F40 mi10 hrs ago
  3. BILOXI BAY AT POINT CADET HARBOR AT BILOXI, MSUSGS gauge · Mississippi
    88°F44 mi11 hrs ago
  4. MISSISSIPPI SOUND AT USGS MERRILL SHELL BANK LIGHTUSGS gauge · Mississippi
    87°F66 mi11 hrs ago
  5. CYPRESS CREEK NR JANICE, MSUSGS gauge · Mississippi · 18 ft³/s
    79°F75 mi10 hrs ago
  6. EAST PEARL RIVER AT CSX RAILROAD NR CLAIBORNE, MSUSGS gauge · Mississippi
    88°F84 mi10 hrs ago
  7. LEAF RIVER NR NEW AUGUSTA, MSUSGS gauge · Mississippi · 1,160 ft³/s
    86°F87 mi10 hrs ago
  8. Black Bay nr Stone Island nr Pointe-A-La-Hache, LAUSGS gauge · Louisiana
    86°F95 mi11 hrs ago

Nearest swimmable spots

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

Public Beach4.5(1,088)

Public Beach

Beach · Dauphin Island, Alabama

Tranquil gulf-front standby with a boardwalk to the beach & covered picnic shelters on the sand.

0.2 mi from your location

West End Public Beach4.6(1,543)

West End Public Beach

Beach · Dauphin Island, Alabama

Island beach offering shower facilities, a picnic area, a waterslide (for a fee) & chair rentals.

3.7 mi from your location

The Fairhope Pier4.7(2,648)

The Fairhope Pier

Fishing pier · Fairhope, Alabama

Well-known fishing pier offering scenic views, lots of pelicans & a seafood restaurant.

23 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.