Live · updated daily from USGS
Swimmable water near you
2,139 USGS sensors are reporting a live water temperature right now, the newest reading from August 22, 2026 (4 hrs ago).
- Cold · below 60°F · 384
- Cool · 60–69°F · 607
- Comfortable · 70–86°F · 933
- Warm · above 86°F · 215
- 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.
- Whippany River near Pine Brook NJUSGS gauge · New Jersey · 245 ft³/s72°F6.0 mi5 hrs ago
- Canoe Brook near Summit NJUSGS gauge · New Jersey · 18 ft³/s72°F6.6 mi5 hrs ago
- 73°F6.7 mi5 hrs ago
- Newark Bay at PVSC at Newark NJUSGS gauge · New Jersey78°F9.0 mi5 hrs ago
- 74°F13 mi5 hrs ago
- Ramapo River at Pompton Lakes NJUSGS gauge · New Jersey · 391 ft³/s74°F13 mi5 hrs ago
- Ramapo River above dam at Pompton Lakes NJUSGS gauge · New Jersey75°F13 mi5 hrs ago
- BRONX RIVER AT NY BOTANICAL GARDEN AT BRONX NYUSGS gauge · New York · 385 ft³/s69°F20 mi1 day ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
4.5(10,673)Paterson Great Falls National Historical Park
National historical park known for a 77-ft. waterfall that sparked water-power development in 1792.
8.9 mi from your location
4.6(1,318)Echo Lake Park
Park with lots of room for sports, from ice-skating to softball, plus a snack bar for refueling.
10.0 mi from your location
4.5(106)River Barge Park and Marina
A 5.5-acre accessible riverfront park with a marina, known for boating, picnicking & bird watching.
10 mi from your location
4.2(162)Elizabeth River Parkway
Large riverfront park featuring sports fields & courts, fishing banks, shuffleboard & 2 playgrounds.
10 mi from your location
4.8(418)Mill Creek Point Park
3 acres of green space along the Hackensack River with a boat ramp & wildlife, plus a 43-acre marsh.
11 mi from your location
4.7(4,043)Saddle River County Park
Multi-use pathways connect 5 different parks featuring ponds, playgrounds & athletic fields.
12 mi from your location
4.5(565)Speedwell Lake Park
Green space with a playground & an open field, plus a waterfall & fishing lake with a walking trail.
12 mi from your location
4.6(528)Newport Sand Beach
Landlocked "beach" for playing & sunbathing, with chairs & umbrellas, plus views of lower Manhattan.
12 mi from your location
4.8(1,693)Hudson River Waterfront Walkway
Long, paved riverside cycling & walking path offering dramatic views of the Manhattan skyline.
12 mi from your location
4.8(2,336)Pier C Park
This park with scenic views of NYC features a fishing pier, playground, water play area & promenade.
12 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.

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