Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

35.2°F

Measurement Time: Tuesday, January 6, 2026, 11:00 PM EST

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

35.1°F
Mist
Mist
33.9°F
35.9°F
92%
WNW 2.2 mph
2.3 mph
33.9°F
35°F
0.03 in
100%
3 mi
1004 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 49°F
L: 35°F
Sunny
Thu
H: 46°F
L: 35°F
Patchy rain nearby
Fri
H: 40°F
L: 33°F
Moderate rain
Sat
H: 46°F
L: 38°F
Moderate rain
Sun
H: 44°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 16.35 μg/m3
PM10: 16.55 μg/m3
Carbon Monoxide: 327.85 μg/m3
Nitrogen Dioxide: 24.95 μg/m3
Sulphur Dioxide: 7.85 μg/m3
Ozone: 23 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 4:42 PM
Daylight: 9 hrs 23 mins
Moonrise: 9:47 PM
Moon Transit: 3:27 AM
Moonset: 10:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
5:36 PM - 8:06 PM

Minor Periods

9:17 PM - 10:47 PM
9:32 AM - 11:02 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued January 6 at 1:01PM EST until January 7 at 7:00AM EST by NWS Upton NY

Effective: Tue January 6, 2026, 1:01 PM
Expires: Wed January 7, 2026, 7:00 AM

* WHAT...Freezing rain expected. Ice accumulation around a light glaze. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...From 7 PM this evening to 7 AM EST Wednesday. * IMPACTS...Slippery sidewalks, roads and bridges are possible.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.
Wednesday, January 7, 2026

Weather Forecast

Patchy rain nearby
49.3°F
35°F
40°F
86%
0.07 in
86%
0%
16.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 14.65 μg/m3
PM10: 16.74 μg/m3
Carbon Monoxide: 304.73 μg/m3
Nitrogen Dioxide: 27.55 μg/m3
Sulphur Dioxide: 6.44 μg/m3
Ozone: 26.4 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 4:42 PM
Daylight: 9 hrs 23 mins
Moonrise: 9:47 PM
Moon Transit: 3:27 AM
Moonset: 10:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
5:36 PM - 8:06 PM

Minor Periods

9:17 PM - 10:47 PM
9:32 AM - 11:02 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Sunny
45.9°F
34.7°F
39.2°F
84%
0 in
0%
0%
5.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.99 μg/m3
PM10: 9.09 μg/m3
Carbon Monoxide: 323.65 μg/m3
Nitrogen Dioxide: 19.46 μg/m3
Sulphur Dioxide: 4.11 μg/m3
Ozone: 33 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 4:43 PM
Daylight: 9 hrs 24 mins
Moonrise: 10:53 PM
Moon Transit: 4:11 AM
Moonset: 10:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
6:18 PM - 8:48 PM

Minor Periods

10:23 PM - 11:53 PM
9:53 AM - 11:23 AM

Action Rating: 2 out of 5

Friday, January 9, 2026

Weather Forecast

Patchy rain nearby
40.4°F
32.5°F
37.3°F
98%
0.08 in
82%
0%
15.4 mph
0.2


Air Quality

AQI: 2 - Moderate
PM2.5: 25.11 μg/m3
PM10: 27.23 μg/m3
Carbon Monoxide: 450.69 μg/m3
Nitrogen Dioxide: 49.61 μg/m3
Sulphur Dioxide: 10.89 μg/m3
Ozone: 11.2 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 4:44 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:56 PM
Moon Transit: 4:53 AM
Moonset: 10:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
7:00 PM - 9:30 PM

Minor Periods

12:00 AM - 12:00 AM
10:13 AM - 11:43 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Moderate rain
46.1°F
38.4°F
43.9°F
98%
0.72 in
87%
0%
14.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 13.26 μg/m3
PM10: 13.67 μg/m3
Carbon Monoxide: 291.76 μg/m3
Nitrogen Dioxide: 28.59 μg/m3
Sulphur Dioxide: 7.03 μg/m3
Ozone: 28.2 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:01 AM
Sunset: 4:45 PM
Daylight: 9 hrs 27 mins
Moonrise: 12:56 AM
Moon Transit: 5:34 AM
Moonset: 11:03 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
7:41 PM - 10:11 PM

Minor Periods

10:33 AM - 12:03 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Moderate rain
43.7°F
37.5°F
41.1°F
95%
0.22 in
70%
0%
12.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.43 μg/m3
PM10: 6.72 μg/m3
Carbon Monoxide: 299.33 μg/m3
Nitrogen Dioxide: 28.63 μg/m3
Sulphur Dioxide: 4.67 μg/m3
Ozone: 23.85 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:01 AM
Sunset: 4:46 PM
Daylight: 9 hrs 28 mins
Moonrise: 12:58 AM
Moon Transit: 6:16 AM
Moonset: 11:25 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
8:24 PM - 10:54 PM

Minor Periods

10:55 AM - 12:25 AM
12:28 AM - 1:58 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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