Live · updated daily from USGS
Swimmable water near you
1,324 USGS sensors are reporting a live water temperature right now, the newest reading from August 23, 2026 (8 hrs ago).
- Cold · below 60°F · 218
- Cool · 60–69°F · 484
- Comfortable · 70–86°F · 544
- 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.
- GLENBROOK CK AT GLENBROOK, NVUSGS gauge · Nevada · 0 ft³/s54°F170 mi9 hrs ago
- THIRD CK NR CRYSTAL BAY, NVUSGS gauge · Nevada · 1 ft³/s57°F177 mi8 hrs ago
- INCLINE CK NR CRYSTAL BAY, NVUSGS gauge · Nevada · 3 ft³/s55°F177 mi8 hrs ago
- TRUCKEE RV NR SPARKS, NVUSGS gauge · Nevada · 292 ft³/s67°F199 mi8 hrs ago
- WALKER RV NR WABUSKA, NVUSGS gauge · Nevada · 21 ft³/s70°F209 mi8 hrs ago
- TRUCKEE RV AT CLARK, NVUSGS gauge · Nevada72°F211 mi9 hrs ago
- WALKER LAKE 3 CENTER NDOWUSGS gauge · Nevada74°F211 mi19 hrs ago
- WALKER LAKE 4 NORTH NDOWUSGS gauge · Nevada75°F212 mi19 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
4.5(861)Bedwell Bayfront Park
Large bayside park with expansive open spaces for flying kites & several hiking trails.
6.7 mi from your location
4.6(2,129)San Gregorio State Beach
Sheltered by soaring cliffs, this coastal park has a wide sandy beach & a driftwood-strewn estuary.
11 mi from your location
4.7(1,151)Poplar Beach
Sunbathing, fishing & picnicking are popular pastimes at this scenic beach with a campground nearby.
12 mi from your location
4.7(1,338)Pomponio State Beach
Oceanside scenic sandy beaches with a small lagoon, plus picnic tables & barbecues.
12 mi from your location
4.8(326)Pescadero State Beach
This mile-long stretch of isolated beach along a road features fishing, picnicking & tide pools.
14 mi from your location
4.5(4,004)Alviso Marina County Park
Hiking, biking & bird-watching are popular activities at this bayside park with paths & boardwalks.
14 mi from your location
4.7(855)Mavericks Beach
Legendary beach known as a destination for serious big-wave surfers & an invite-only contest.
15 mi from your location
4.6(1,992)Quarry Lakes Regional Recreation Area
Lakefront park offers 471 acres of space for picnicking, swimming, fishing & non-motorized boating.
17 mi from your location
4.7(475)Lake Elizabeth
Recreation area with a bird-filled island, plus a dog park, playgrounds, sports fields & boat ramp.
18 mi from your location
4.7(5,945)Vasona Lake County Park
Public green space with 45 acres of lawn, a multi-use trail & picnic areas plus a lake with fishing.
19 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.