Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

66.2°F

Measurement Time: Friday, June 19, 2026, 11:54 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

80.1°F
Sunny
Sunny
78.6°F
81.6°F
42%
WNW 11.6 mph
16.9 mph
83.5°F
50.8°F
0 in
25%
9 mi
1003 mbar
2.5

Five Day Weather Forecast

Sunny
Fri
H: 86°F
L: 66°F
Sunny
Sat
H: 77°F
L: 62°F
Partly Cloudy
Sun
H: 77°F
L: 58°F
Heavy rain
Mon
H: 64°F
L: 59°F
Patchy rain nearby
Tue
H: 76°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 4.4 μg/m3
Carbon Monoxide: 110 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:30 AM
Moon Transit: 5:23 PM
Moonset: 12:39 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
4:53 PM - 7:23 PM

Minor Periods

10:00 AM - 11:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued June 19 at 2:40PM EDT until June 20 at 8:00PM EDT by NWS Upton NY

Effective: Fri June 19, 2026, 2:40 PM
Expires: Sat June 20, 2026, 8:30 AM

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 4 feet expected on central and eastern Long Island Sound. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...From midnight tonight to 8 PM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Friday, June 19, 2026

Weather Forecast

Sunny
86°F
65.8°F
76.2°F
42%
0 in
1%
0%
16.3 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.51 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 119.46 μg/m3
Nitrogen Dioxide: 2.96 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 83.67 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:30 AM
Moon Transit: 5:23 PM
Moonset: 12:39 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
4:53 PM - 7:23 PM

Minor Periods

10:00 AM - 11:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
76.9°F
61.7°F
69.1°F
51%
0 in
3%
0%
17.7 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 3.13 μg/m3
PM10: 3.22 μg/m3
Carbon Monoxide: 112.83 μg/m3
Nitrogen Dioxide: 3.03 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 72.96 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 9 mins
Moonrise: 11:40 AM
Moon Transit: 6:09 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
5:39 PM - 8:09 PM

Minor Periods

11:10 AM - 12:40 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Partly Cloudy
77.4°F
58.3°F
68.4°F
57%
0 in
4%
0%
8.7 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 5.2 μg/m3
PM10: 5.51 μg/m3
Carbon Monoxide: 117.71 μg/m3
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 72.46 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 9 mins
Moonrise: 12:47 AM
Moon Transit: 6:52 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
6:22 PM - 8:52 PM

Minor Periods

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

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Heavy rain
64°F
59.4°F
61.5°F
87%
2.18 in
86%
0%
13.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 12.03 μg/m3
PM10: 14.1 μg/m3
Carbon Monoxide: 146.38 μg/m3
Nitrogen Dioxide: 15.84 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 82.38 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 9 mins
Moonrise: 1:52 PM
Moon Transit: 7:35 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

9:00 AM - 11:30 AM
7:05 PM - 9:35 PM

Minor Periods

1:22 PM - 2:52 PM
12:18 AM - 1:48 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Patchy rain nearby
75.7°F
60.4°F
66.9°F
78%
0.02 in
36%
0%
12.1 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.02 μg/m3
Carbon Monoxide: 193.89 μg/m3
Nitrogen Dioxide: 6.48 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 60.33 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:55 AM
Sunset: 8:30 PM
Daylight: 15 hrs 9 mins
Moonrise: 2:56 PM
Moon Transit: 8:17 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

9:43 AM - 12:13 AM
7:47 PM - 10:17 PM

Minor Periods

2:26 PM - 3:56 PM
12:39 AM - 2:09 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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