Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

73.6°F

Measurement Time: Friday, July 24, 2026, 2:54 PM 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

78.1°F
Sunny
Sunny
78.4°F
80.6°F
42%
SSE 7.6 mph
11.9 mph
80.8°F
54.5°F
0 in
0%
9 mi
1021 mbar
0.3

Five Day Weather Forecast

Sunny
Fri
H: 87°F
L: 59°F
Sunny
Sat
H: 77°F
L: 59°F
Sunny
Sun
H: 79°F
L: 59°F
Partly Cloudy
Mon
H: 80°F
L: 64°F
Light rain shower
Tue
H: 80°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 15.5 μg/m3
PM10: 16.2 μg/m3
Carbon Monoxide: 131 μg/m3
Nitrogen Dioxide: 9.2 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 127 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:00 PM
Sunset: 8:18 PM
Daylight: 14 hrs 36 mins
Moonrise: 4:59 PM
Moon Transit: 9:21 PM
Moonset: 1:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
8:51 PM - 11:21 PM

Minor Periods

4:29 PM - 5:59 PM
12:31 AM - 2:01 AM

Action Rating: 2 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
86.5°F
59.4°F
72.2°F
63%
0 in
4%
0%
7.6 mph
8.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.66 μg/m3
PM10: 17.3 μg/m3
Carbon Monoxide: 151.63 μg/m3
Nitrogen Dioxide: 15.36 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 94.96 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:00 PM
Sunset: 8:18 PM
Daylight: 14 hrs 36 mins
Moonrise: 4:59 PM
Moon Transit: 9:21 PM
Moonset: 1:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
8:51 PM - 11:21 PM

Minor Periods

4:29 PM - 5:59 PM
12:31 AM - 2:01 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
77.2°F
59.4°F
69.3°F
62%
0 in
4%
0%
10.7 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 14.7 μg/m3
PM10: 16.44 μg/m3
Carbon Monoxide: 134.21 μg/m3
Nitrogen Dioxide: 15.06 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 89.96 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:00 PM
Sunset: 8:17 PM
Daylight: 14 hrs 34 mins
Moonrise: 5:55 PM
Moon Transit: 10:12 PM
Moonset: 1:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:34 AM - 2:04 PM
12:00 AM - 12:00 AM

Minor Periods

5:25 PM - 6:55 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
79.2°F
59.4°F
69.7°F
57%
0 in
3%
0%
7.4 mph
8.5


Air Quality

AQI: 2 - Moderate
PM2.5: 16.09 μg/m3
PM10: 17.79 μg/m3
Carbon Monoxide: 124.42 μg/m3
Nitrogen Dioxide: 17.11 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 93.92 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:00 PM
Sunset: 8:16 PM
Daylight: 14 hrs 33 mins
Moonrise: 6:45 PM
Moon Transit: 11:04 PM
Moonset: 2:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 PM
12:00 AM - 12:00 AM

Minor Periods

6:15 PM - 7:45 PM
2:00 AM - 3:30 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Partly Cloudy
80.4°F
63.8°F
71.1°F
70%
0.1 in
57%
0%
12.3 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 15.31 μg/m3
PM10: 18.09 μg/m3
Carbon Monoxide: 136.52 μg/m3
Nitrogen Dioxide: 13.22 μg/m3
Sulphur Dioxide: 2.16 μg/m3
Ozone: 96.33 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:00 PM
Sunset: 8:15 PM
Daylight: 14 hrs 31 mins
Moonrise: 7:27 PM
Moon Transit: 11:54 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

1:17 PM - 3:47 PM
12:00 AM - 12:00 AM

Minor Periods

6:57 PM - 8:27 PM
2:55 AM - 4:25 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Light rain shower
79.5°F
67.2°F
71.1°F
90%
0.54 in
88%
0%
15.9 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 14.02 μg/m3
PM10: 16.21 μg/m3
Carbon Monoxide: 211.44 μg/m3
Nitrogen Dioxide: 17 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 69.11 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:00 PM
Sunset: 8:14 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:02 PM
Moon Transit: 12:00 AM
Moonset: 4:27 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:06 PM - 4:36 PM

Minor Periods

7:32 PM - 9:02 PM
3:57 AM - 5:27 AM

Action Rating: 4 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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