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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. FOX RIVER NEAR NEW MUNSTER, WIUSGS gauge · Wisconsin · 454 ft³/s
    73°F82 mi3 hrs ago
  2. Root River at W. Eight Mile Rd near Caledonia, WIUSGS gauge · Wisconsin · 59 ft³/s
    68°F99 mi3 hrs ago
  3. ROOT RIVER AT 60TH ST NEAR CALEDONIA, WIUSGS gauge · Wisconsin
    68°F100 mi3 hrs ago
  4. WK-06/19E/31-1301USGS gauge · Wisconsin
    51°F105 mi3 hrs ago
  5. ST. JOSEPH RIVER AT NILES, MIUSGS gauge · Michigan · 2,190 ft³/s
    74°F105 mi2 hrs ago
  6. WILSON PARK CREEK @ GMIA OUTFALL 7 @ MILWAUKEE,WIUSGS gauge · Wisconsin · 1 ft³/s
    69°F107 mi3 hrs ago
  7. MILWAUKEE RIVER AT MILWAUKEE, WIUSGS gauge · Wisconsin · 284 ft³/s
    72°F117 mi3 hrs ago
  8. OSBORN DRAIN AT DEWEY LAKE ST NR GLENWOOD, MIUSGS gauge · Michigan · 7 ft³/s
    60°F119 mi3 hrs ago

Nearest swimmable spots

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

Des Plaines River4.2(15)

Des Plaines River

River · Channahon, Illinois

River running through plane forests & marshland, popular for canoeing & fishing for carp or bass.

2.8 mi from your location

Kankakee River State Park4.7(2,067)

Kankakee River State Park

State park · Bourbonnais, Illinois
Camping nearby

4,000 acres along 11 miles of river for year-round outdoor sporting & recreation plus horse stables.

18 mi from your location

Whalon Lake4.7(436)

Whalon Lake

Reservoir · Naperville, Illinois
Camping nearbyDog-friendly

Nature park featuring a quarry lake, prairie & wetlands, plus fishing, boating, trails & a dog park.

21 mi from your location

Riverwalk Park4.8(3,871)

Riverwalk Park

Park · Naperville, Illinois
Camping nearby

Classic urban park offering a playground, ice rink, trails, horseshoe pit & a paddle boat pier.

24 mi from your location

The Naperville Riverwalk4.8(1,222)

The Naperville Riverwalk

Park · Naperville, Illinois
Camping nearby

The "Crown Jewel" of Naperville, this 1.75-mile brick pathway follows the West Branch of the DuPage River past fountains, covered bridges, and outdoor sculpture. Built by community volunteers in 1981 for the city's 150th anniversary, highlights include Paddleboat Quarry, the Dandelion Fountain, a 72-bell Millennium Carillon in Moser Tower, and Centennial Beach — a historic swimming area with sand volleyball. Dogs welcome on leash; bikes and scooters are not permitted on the Riverwalk path.

25 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.