Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

54.1°F

Measurement Time: Friday, April 17, 2026, 2:54 AM EDT

Temperature Locations

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Local Points of Interest

Sheffield Island Harbor; Calf Pasture and Shady Beach; Long Island Sound

Norwalk Harbor

Station Name: NORWALK HARBOR AT THE COVE MARINA NR E NORWALK, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
52 Calf Pasture Beach Rd
Norwalk, CT 06855
Fairfield County

GPS Coordinates: 41.08395, -73.3999861

Nearby Water Temperatures

Norwalk River, Norwalk, CT (1.5 mi)
Norwalk River, Norwalk, CT (2 mi)
Saugatuck River, Westport, CT (2.2 mi)
Saugatuck River, Westport Village, CT (3.2 mi)
Mill River, Fairfield, CT (6.5 mi)
Mill River, Southport, CT (7 mi)
Rooster River, Bridgeport, CT (11.5 mi)
Bridgeport Harbor, Bridgeport, CT (12.9 mi)
Flax Pond, Old Field, NY (15.8 mi)
Frost Creek, Lattingtown, NY (15.9 mi)
Housatonic River, Stratford, CT (16.2 mi)
East Creek, Sands Point, NY (22.1 mi)
Long Island Sound, Kings Point, NY (26.8 mi)
Hudson River, Yonkers, NY (28.2 mi)
New Haven Harbor, New Haven, CT (29 mi)

Weather for Norwalk, Connecticut

Current Weather

63°F
Overcast
Overcast
63°F
67.1°F
87%
WNW 9.4 mph
16.5 mph
67.1°F
61.2°F
0 in
100%
9 mi
1010 mbar
0.7

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 80°F
L: 57°F
Partly Cloudy
Sat
H: 60°F
L: 49°F
Moderate rain
Sun
H: 51°F
L: 41°F
Patchy rain nearby
Mon
H: 45°F
L: 35°F
Sunny
Tue
H: 51°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 5.35 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:53 AM
Sunset: 7:36 PM
Daylight: 13 hrs 24 mins
Moonrise: 5:55 AM
Moon Transit: 12:58 AM
Moonset: 8:17 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
12:28 AM - 2:58 PM

Minor Periods

7:47 PM - 9:17 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Friday, April 17, 2026

Weather Forecast

Patchy rain nearby
79.5°F
57°F
67.8°F
71%
0.02 in
78%
0%
11.4 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 10.88 μg/m3
PM10: 11.31 μg/m3
Carbon Monoxide: 223.53 μg/m3
Nitrogen Dioxide: 21.85 μg/m3
Sulphur Dioxide: 4.51 μg/m3
Ozone: 80.76 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:53 AM
Sunset: 7:36 PM
Daylight: 13 hrs 24 mins
Moonrise: 5:55 AM
Moon Transit: 12:58 AM
Moonset: 8:17 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
12:28 AM - 2:58 PM

Minor Periods

7:47 PM - 9:17 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
60.3°F
49.2°F
55.4°F
85%
0 in
0%
0%
11.9 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 8.99 μg/m3
PM10: 9.28 μg/m3
Carbon Monoxide: 214.33 μg/m3
Nitrogen Dioxide: 17.09 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 69.12 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:52 AM
Sunset: 7:37 PM
Daylight: 13 hrs 27 mins
Moonrise: 6:26 AM
Moon Transit: 1:54 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
1:24 PM - 3:54 PM

Minor Periods

9:07 PM - 10:37 PM
5:56 AM - 7:26 AM

Action Rating: 5 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate rain
51.4°F
40.6°F
45.9°F
83%
0.7 in
88%
0%
17 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 8.42 μg/m3
Carbon Monoxide: 180.65 μg/m3
Nitrogen Dioxide: 11.87 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 73.28 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:52 AM
Sunset: 7:38 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:04 AM
Moon Transit: 2:55 PM
Moonset: 10:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:25 PM - 4:55 PM

Minor Periods

10:28 PM - 11:58 PM
6:34 AM - 8:04 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
44.9°F
35.1°F
40.3°F
50%
0 in
87%
0%
16.1 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 5.1 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 185.11 μg/m3
Nitrogen Dioxide: 9.89 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 77.84 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:52 AM
Sunset: 7:39 PM
Daylight: 13 hrs 32 mins
Moonrise: 7:53 AM
Moon Transit: 4:00 PM
Moonset: 12:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
3:30 PM - 6:00 PM

Minor Periods

12:00 AM - 12:00 AM
7:23 AM - 8:53 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
51.2°F
32.9°F
41.4°F
42%
0 in
0%
0%
16.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.93 μg/m3
PM10: 4.13 μg/m3
Carbon Monoxide: 183.04 μg/m3
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 77.69 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:52 AM
Sunset: 7:40 PM
Daylight: 13 hrs 35 mins
Moonrise: 8:53 AM
Moon Transit: 5:04 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:21 AM - 8:51 AM
4:34 PM - 7:04 PM

Minor Periods

8:23 AM - 9:53 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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