Water Temperature of the Harlem River in Bronx, NY

Current Water Temperature

71.2°F

Measurement Time: Thursday, September 30, 2021, 7:45 AM EDT

Temperature Locations

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Local Points of Interest

Mill Pond Park; New York, NY

Harlem River

Station Name: HARLEM R AT MILL POND PARK ALCOVE 1 AT BRONX NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -7 feet

Nearest Address:
725 Exterior St
Bronx, NY 10451
Bronx County

GPS Coordinates: 40.82452778, -73.9325833

Nearby Water Temperatures

Bronx River, Bronx, NY (4 mi)
Hudson River, Manhattan, NY (5.5 mi)
Hudson River, Yonkers, NY (7.9 mi)
Long Island Sound, Kings Point, NY (8.8 mi)
East River, New York, NY (9.6 mi)
East Creek, Sands Point, NY (12 mi)
Newark Bay, Newark, NJ (12.7 mi)
Newark Bay, Staten Island, NY (17 mi)
Rockaway Inlet, Brooklyn, NY (17.5 mi)
Hempstead Lake, Lakeview, NY (18.2 mi)
Frost Creek, Lattingtown, NY (18.6 mi)
Hog Island Channel, Island Park, NY (20.8 mi)
Whippany River, Pine Brook, NJ (21.7 mi)
Reynolds Channel, Point Lookout, NY (24.3 mi)
Sandy Hook Bay, Sandy Hook, NJ (25 mi)

Weather for Bronx, New York

Current Weather

53.1°F
Overcast
Overcast
49.9°F
55.3°F
86%
E 9.8 mph
12.9 mph
53.9°F
42.5°F
0 in
100%
9 mi
1032 mbar
0.1

Five Day Weather Forecast

Moderate rain
Sat
H: 64°F
L: 50°F
Moderate rain
Sun
H: 56°F
L: 51°F
Heavy rain
Mon
H: 67°F
L: 55°F
Partly Cloudy
Tue
H: 74°F
L: 59°F
Patchy rain nearby
Wed
H: 82°F
L: 63°F

Air Quality

AQI: 2 - Moderate
PM2.5: 11.55 μg/m3
PM10: 13.75 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 21.35 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:52 AM
Sunset: 8:14 PM
Daylight: 14 hrs 43 mins
Moonrise: 12:47 AM
Moon Transit: 7:31 PM
Moonset: 1:41 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
7:01 PM - 9:31 PM

Minor Periods

12:17 AM - 1:47 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Rip Current Statement issued May 22 at 2:30PM EDT until May 23 at 9:00PM EDT by NWS Upton NY

Effective: Fri May 22, 2026, 2:30 PM
Expires: Sat May 23, 2026, 5:30 AM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued May 23 at 2:29AM EDT until May 24 at 9:00PM EDT by NWS Upton NY

Effective: Sat May 23, 2026, 2:29 AM
Expires: Sat May 23, 2026, 8:00 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves of 6 to 10 feet expected in the surf zone. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...For the High Rip Current Risk, from 6 AM EDT this morning through Sunday evening. For the High Surf Advisory, from 6 AM to 9 PM EDT Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


High Surf Advisory issued May 23 at 2:29AM EDT until May 24 at 9:00PM EDT by NWS Upton NY

Effective: Sat May 23, 2026, 2:29 AM
Expires: Sat May 23, 2026, 8:00 PM

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves of 6 to 10 feet expected in the surf zone. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...For the High Rip Current Risk, from 6 AM EDT this morning through Sunday evening. For the High Surf Advisory, from 6 AM to 9 PM EDT Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued May 22 at 3:54PM EDT until May 23 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Fri May 22, 2026, 3:54 PM
Expires: Sat May 23, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 6 to 8 feet expected in the surf zone. * WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and Coastal Ocean. * WHEN...For the High Rip Current Risk, through Saturday evening. For the High Surf Advisory, from 8 AM Saturday to 8 AM EDT Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Water temperatures are in the 50s to low 60s. These cold water temperatures can quickly cause hypothermia and physical incapacitation to anyone suddenly immersed in the water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Always obey posted Beach Flags. If you enter the surf zone, always have a floatation device with you and swim near a lifeguard if possible. If caught in a rip current, relax and float and do not swim against the current. If able, swim parallel to the shoreline. If unable to escape, face the shore and call or wave for help.


High Surf Advisory issued May 22 at 3:54PM EDT until May 24 at 8:00AM EDT by NWS Mount Holly NJ

Effective: Fri May 22, 2026, 3:54 PM
Expires: Sat May 23, 2026, 5:00 AM

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 6 to 8 feet expected in the surf zone. * WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and Coastal Ocean. * WHEN...For the High Rip Current Risk, through Saturday evening. For the High Surf Advisory, from 8 AM Saturday to 8 AM EDT Sunday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Water temperatures are in the 50s to low 60s. These cold water temperatures can quickly cause hypothermia and physical incapacitation to anyone suddenly immersed in the water.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Always obey posted Beach Flags. If you enter the surf zone, always have a floatation device with you and swim near a lifeguard if possible. If caught in a rip current, relax and float and do not swim against the current. If able, swim parallel to the shoreline. If unable to escape, face the shore and call or wave for help.
Saturday, May 23, 2026

Weather Forecast

Moderate rain
63.7°F
50.1°F
56.1°F
68%
0.34 in
92%
0%
13.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 11.62 μg/m3
PM10: 14.16 μg/m3
Carbon Monoxide: 152.97 μg/m3
Nitrogen Dioxide: 19.9 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:52 AM
Sunset: 8:14 PM
Daylight: 14 hrs 43 mins
Moonrise: 12:47 AM
Moon Transit: 7:31 PM
Moonset: 1:41 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:51 AM - 11:21 AM
7:01 PM - 9:31 PM

Minor Periods

12:17 AM - 1:47 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Moderate rain
55.6°F
51.4°F
53.6°F
94%
0.57 in
90%
0%
14.5 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 8.03 μg/m3
PM10: 9.33 μg/m3
Carbon Monoxide: 143.29 μg/m3
Nitrogen Dioxide: 19.16 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 59.48 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:52 AM
Sunset: 8:15 PM
Daylight: 14 hrs 44 mins
Moonrise: 1:54 PM
Moon Transit: 8:15 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

9:36 AM - 12:06 AM
7:45 PM - 10:15 PM

Minor Periods

1:24 PM - 2:54 PM
1:34 AM - 3:04 AM

Action Rating: 3 out of 5

Monday, May 25, 2026

Weather Forecast

Heavy rain
67.2°F
55.1°F
58.7°F
91%
0.83 in
82%
0%
8.5 mph
3.1


Air Quality

AQI: 1 - Good
PM2.5: 12.98 μg/m3
PM10: 13.11 μg/m3
Carbon Monoxide: 209.85 μg/m3
Nitrogen Dioxide: 36.06 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 27.84 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:52 AM
Sunset: 8:16 PM
Daylight: 14 hrs 46 mins
Moonrise: 2:58 PM
Moon Transit: 8:57 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:18 AM - 12:48 AM
8:27 PM - 10:57 PM

Minor Periods

2:28 PM - 3:58 PM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Partly Cloudy
73.8°F
59.1°F
66°F
78%
0 in
0%
0%
8.1 mph
6.2


Air Quality

AQI: 2 - Moderate
PM2.5: 26.99 μg/m3
PM10: 27.3 μg/m3
Carbon Monoxide: 311.76 μg/m3
Nitrogen Dioxide: 52.82 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 39.16 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:52 AM
Sunset: 8:17 PM
Daylight: 14 hrs 47 mins
Moonrise: 4:02 PM
Moon Transit: 9:38 PM
Moonset: 2:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

11:00 AM - 1:30 PM
9:08 PM - 11:38 PM

Minor Periods

3:32 PM - 5:02 PM
2:16 AM - 3:46 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
82°F
62.6°F
70.7°F
70%
0.01 in
79%
0%
13.4 mph
1.2


Air Quality

AQI: 2 - Moderate
PM2.5: 32.67 μg/m3
PM10: 32.8 μg/m3
Carbon Monoxide: 365.43 μg/m3
Nitrogen Dioxide: 60.33 μg/m3
Sulphur Dioxide: 4.24 μg/m3
Ozone: 22.38 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:52 AM
Sunset: 8:18 PM
Daylight: 14 hrs 49 mins
Moonrise: 5:05 PM
Moon Transit: 10:21 PM
Moonset: 3:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:42 AM - 2:12 PM
12:00 AM - 12:00 AM

Minor Periods

4:35 PM - 6:05 PM
2:37 AM - 4:07 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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