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 (19 hrs ago).
- 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.
- 74°F7.3 mi19 hrs ago
- WEST HARBOR AT OYSTER BAY NWR AT BAYVILLE NYUSGS gauge · New York76°F7.5 mi19 hrs ago
- 70°F10 mi20 hrs ago
- 75°F10 mi20 hrs ago
- EAST CREEK AT SANDS POINT NYUSGS gauge · New York75°F12 mi19 hrs ago
- 75°F13 mi20 hrs ago
- BRONX RIVER AT NY BOTANICAL GARDEN AT BRONX NYUSGS gauge · New York · 385 ft³/s69°F19 mi19 hrs ago
- 66°F22 mi20 hrs ago
Nearest swimmable spots
Rated, photographed water destinations within 25 miles — pair one with the nearest sensor reading above before you go.
4.4(1,119)West Beach
Multi-use park featuring multiple sports fields plus a strip of Long Island Sound beachfront.
3.2 mi from your location
4.6(1,445)Cove Island
Sprawling island park with sand beaches & cycling paths, plus abundant waterfowl & a nature center.
4.4 mi from your location
4.5(58)Weed Beach
This 22-acre park features a beach, plus tennis courts, play areas, concessions & a fitness trail.
4.7 mi from your location
4.4(1,014)Calf Pasture Beach
35-acre area on Long Island Sound with a beach, parkland, recreational areas, fishing pier & cafe.
10 mi from your location
4.4(558)Shady Beach Park
Sandy beach featuring lifeguards & a grassy, tree-shaded picnic area, plus a splash pad & swings.
11 mi from your location
4.8(93)Kensico Reservoir
Lake with fishing & boating, plus a historic dam featuring a park with a playground & trails.
11 mi from your location
4.7(1,698)Cold Spring Harbor State Park
Hilly 40-acre park with harbor vistas, hardwood forest & mountain laurel plus seasonal songbirds.
11 mi from your location
4.7(129)Mianus River Gorge Preserve
Large, old-growth forest nature preserve with miles of hiking trails, open Apr–Nov.
12 mi from your location
4.5(1,336)Hudson Park & Beach
This park features a sandy beach, a bandshell for musical events, a playground & a grassy space.
13 mi from your location
4.5(282)Twin Lakes County Park
This park's equestrian center offers riding lessons, year-round boarding space & miles of trails.
13 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.