Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

60.4°F

Measurement Time: Friday, May 29, 2026, 10:54 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

75°F
Partly cloudy
Partly cloudy
75.5°F
79.5°F
29%
WNW 11.6 mph
14.9 mph
80.9°F
48.1°F
0 in
75%
9 mi
1010 mbar
5.4

Five Day Weather Forecast

Sunny
Fri
H: 82°F
L: 56°F
Partly Cloudy
Sat
H: 62°F
L: 49°F
Sunny
Sun
H: 73°F
L: 47°F
Patchy rain nearby
Mon
H: 72°F
L: 55°F
Moderate rain
Tue
H: 67°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 6.75 μg/m3
PM10: 8.25 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:51 AM
Sunset: 8:18 PM
Daylight: 14 hrs 53 mins
Moonrise: 7:11 PM
Moon Transit: 11:50 PM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:14 PM - 3:44 PM
12:00 AM - 12:00 AM

Minor Periods

6:41 PM - 8:11 PM
3:24 AM - 4:54 AM

Action Rating: 3 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
81.7°F
55.8°F
66.5°F
50%
0 in
0%
0%
16.8 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 136.41 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 70.88 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:51 AM
Sunset: 8:18 PM
Daylight: 14 hrs 53 mins
Moonrise: 7:11 PM
Moon Transit: 11:50 PM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:14 PM - 3:44 PM
12:00 AM - 12:00 AM

Minor Periods

6:41 PM - 8:11 PM
3:24 AM - 4:54 AM

Action Rating: 3 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
61.5°F
48.7°F
55°F
56%
0 in
0%
0%
19.5 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 3.51 μg/m3
PM10: 3.9 μg/m3
Carbon Monoxide: 129.09 μg/m3
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 77.4 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:51 AM
Sunset: 8:19 PM
Daylight: 14 hrs 54 mins
Moonrise: 8:13 PM
Moon Transit: 12:00 AM
Moonset: 4:25 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:02 PM - 4:32 PM

Minor Periods

7:43 PM - 9:13 PM
3:55 AM - 5:25 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Sunny
73°F
46.7°F
60.4°F
52%
0 in
0%
0%
10.1 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 10.14 μg/m3
PM10: 11.14 μg/m3
Carbon Monoxide: 140.57 μg/m3
Nitrogen Dioxide: 14.09 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 71.12 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:51 AM
Sunset: 8:19 PM
Daylight: 14 hrs 56 mins
Moonrise: 9:11 PM
Moon Transit: 12:39 AM
Moonset: 5:03 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
2:52 PM - 5:22 PM

Minor Periods

8:41 PM - 10:11 PM
4:33 AM - 6:03 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
72.4°F
54.8°F
64°F
57%
0.02 in
87%
0%
12.3 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 155.8 μg/m3
Nitrogen Dioxide: 12.73 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 79.48 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:51 AM
Sunset: 8:20 PM
Daylight: 14 hrs 57 mins
Moonrise: 10:04 PM
Moon Transit: 1:30 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
3:43 PM - 6:13 PM

Minor Periods

9:34 PM - 11:04 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Moderate rain
67.3°F
50.6°F
56.2°F
83%
0.25 in
89%
0%
20.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.05 μg/m3
PM10: 13 μg/m3
Carbon Monoxide: 241.22 μg/m3
Nitrogen Dioxide: 28.13 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 44.77 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:51 AM
Sunset: 8:21 PM
Daylight: 14 hrs 58 mins
Moonrise: 10:49 PM
Moon Transit: 2:21 AM
Moonset: 6:42 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
4:34 PM - 7:04 PM

Minor Periods

10:19 PM - 11:49 PM
6:12 AM - 7:42 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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