Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

30.2°F

Measurement Time: Wednesday, February 11, 2026, 1:00 AM 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

30°F
Mist
Mist
19.6°F
28.8°F
85%
WNW 13.4 mph
23.8 mph
22.6°F
23.1°F
0 in
0%
3 mi
1005 mbar
0

Five Day Weather Forecast

Light freezing rain
Wed
H: 41°F
L: 28°F
Sunny
Thu
H: 38°F
L: 22°F
Partly Cloudy
Fri
H: 36°F
L: 20°F
Partly Cloudy
Sat
H: 37°F
L: 26°F
Light freezing rain
Sun
H: 37°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 215.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:07 AM
Sunset: 5:23 PM
Daylight: 10 hrs 30 mins
Moonrise: 2:56 AM
Moon Transit: 7:16 AM
Moonset: 11:34 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
12:00 AM - 12:00 AM

Minor Periods

11:04 AM - 12:34 AM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued February 10 at 1:24PM EST until February 11 at 6:00AM EST by NWS Upton NY

Effective: Tue February 10, 2026, 1:24 PM
Expires: Wed February 11, 2026, 3:00 AM

* WHAT...Mixed precipitation expected. Total snow accumulations up to one inch and ice accumulations up to one tenth of an inch. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...From 6 PM this evening to 6 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS...The precipitation is expected to begin mainly as light snow, then change to mainly light freezing rain and freezing drizzle.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.


Winter Weather Advisory issued February 10 at 1:24PM EST until February 11 at 6:00AM EST by NWS Upton NY

Effective: Tue February 10, 2026, 1:24 PM
Expires: Wed February 11, 2026, 3:00 AM

* WHAT...Light freezing rain and freezing drizzle expected. Total ice accumulations around a light glaze. * WHERE...Northeast Suffolk, Northern Nassau, and Northwest Suffolk Counties. * WHEN...From 6 PM this evening to 6 AM EST Wednesday. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling. Prepare for possible power outages. Check local Department of Transportation information services for the latest road conditions. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.


Winter Weather Advisory issued February 10 at 1:24PM EST until February 11 at 6:00AM EST by NWS Upton NY

Effective: Tue February 10, 2026, 1:24 PM
Expires: Wed February 11, 2026, 3:00 AM

* WHAT...Light freezing rain and freezing drizzle expected. Total ice accumulations around a light glaze. * WHERE...Bronx and Northern Queens Counties. * WHEN...From 6 PM this evening to 6 AM EST Wednesday. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling. Prepare for possible power outages. Check local Department of Transportation information services for the latest road conditions.


Winter Weather Advisory issued February 10 at 1:24PM EST until February 11 at 6:00AM EST by NWS Upton NY

Effective: Tue February 10, 2026, 1:24 PM
Expires: Wed February 11, 2026, 3:00 AM

* WHAT...Light freezing rain and freezing drizzle expected. Total ice accumulations around a light glaze. * WHERE...Northeast New Jersey. * WHEN...From 6 PM this evening to 6 AM EST Wednesday. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling. Prepare for possible power outages. Check local Department of Transportation information services for the latest road conditions.


Wednesday, February 11, 2026

Weather Forecast

Light freezing rain
40.5°F
28.2°F
33.8°F
74%
0 in
81%
13%
16.3 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.81 μg/m3
PM10: 17.21 μg/m3
Carbon Monoxide: 263.29 μg/m3
Nitrogen Dioxide: 30.64 μg/m3
Sulphur Dioxide: 3.97 μg/m3
Ozone: 45.32 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:07 AM
Sunset: 5:23 PM
Daylight: 10 hrs 30 mins
Moonrise: 2:56 AM
Moon Transit: 7:16 AM
Moonset: 11:34 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
12:00 AM - 12:00 AM

Minor Periods

11:04 AM - 12:34 AM
2:26 AM - 3:56 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Sunny
38.3°F
21.5°F
30.8°F
65%
0 in
0%
0%
15.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.89 μg/m3
PM10: 2.92 μg/m3
Carbon Monoxide: 195.57 μg/m3
Nitrogen Dioxide: 7.46 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 74.76 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:07 AM
Sunset: 5:24 PM
Daylight: 10 hrs 32 mins
Moonrise: 3:53 AM
Moon Transit: 8:08 AM
Moonset: 12:24 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

7:38 AM - 10:08 AM
12:00 AM - 12:00 AM

Minor Periods

11:54 AM - 1:24 PM
3:23 AM - 4:53 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Partly Cloudy
36°F
19.8°F
27.2°F
65%
0 in
0%
0%
10.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7 μg/m3
PM10: 7.05 μg/m3
Carbon Monoxide: 215.57 μg/m3
Nitrogen Dioxide: 13.99 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 77.56 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:07 AM
Sunset: 5:25 PM
Daylight: 10 hrs 35 mins
Moonrise: 4:43 AM
Moon Transit: 9:00 AM
Moonset: 1:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
12:00 AM - 12:00 AM

Minor Periods

12:51 AM - 2:21 PM
4:13 AM - 5:43 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Partly Cloudy
36.8°F
26.3°F
31°F
81%
0 in
0%
0%
10.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 12.01 μg/m3
PM10: 12.11 μg/m3
Carbon Monoxide: 254 μg/m3
Nitrogen Dioxide: 25.46 μg/m3
Sulphur Dioxide: 4.33 μg/m3
Ozone: 57.84 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:07 AM
Sunset: 5:27 PM
Daylight: 10 hrs 37 mins
Moonrise: 5:25 AM
Moon Transit: 9:52 AM
Moonset: 2:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:22 AM - 11:52 AM

Minor Periods

1:56 PM - 3:26 PM
4:55 AM - 6:25 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Light freezing rain
36.6°F
25.7°F
30°F
84%
0 in
67%
9%
7.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 2.98 μg/m3
Carbon Monoxide: 190.8 μg/m3
Nitrogen Dioxide: 8.02 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 80.31 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:07 AM
Sunset: 5:28 PM
Daylight: 10 hrs 40 mins
Moonrise: 6:00 AM
Moon Transit: 10:43 AM
Moonset: 3:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
10:13 AM - 12:43 AM

Minor Periods

3:03 PM - 4:33 PM
5:30 AM - 7:00 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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