Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

64.0°F

Measurement Time: Saturday, September 26, 2026, 12:54 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

59°F
Light Rain Likely
Light Rain Likely
72%
NE 29 mph
50°F

Weather Forecast

Light Rain Likely
Overnight
57°F - Light Rain Likely
Light Rain
Saturday
63°F - Light Rain
Rain
Saturday Night
58°F - Rain
Rain Showers
Sunday
67°F - Rain Showers
Showers And Thunderstorms
Sunday Night
63°F - Showers And Thunderstorms
Rain Showers
Monday
67°F - Rain Showers
Rain Showers Likely
Monday Night
61°F - Rain Showers Likely
Partly Sunny
Tuesday
71°F - Partly Sunny
Mostly Cloudy
Tuesday Night
60°F - Mostly Cloudy
Mostly Sunny
Wednesday
73°F - Mostly Sunny
Mostly Cloudy
Wednesday Night
61°F - Mostly Cloudy
Mostly Sunny
Thursday
74°F - Mostly Sunny
Partly Cloudy then Slight Chance Rain Showers
Thursday Night
63°F - Partly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Friday
74°F - Slight Chance Rain Showers then Mostly Sunny

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:44 AM
Sunset: 6:44 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:32 PM
Moon Transit: 8:33 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:02 PM - 7:32 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:44 AM
Sunset: 6:44 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:32 PM
Moon Transit: 8:33 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:02 PM - 7:32 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:44 AM
Sunset: 6:44 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:32 PM
Moon Transit: 8:33 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:02 PM - 7:32 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:44 AM
Sunset: 6:44 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:32 PM
Moon Transit: 8:33 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:02 PM - 7:32 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:44 AM
Sunset: 6:42 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:56 PM
Moon Transit: 1:02 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
3:13 PM - 5:43 PM

Minor Periods

6:26 PM - 7:56 PM
7:17 AM - 8:47 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:44 AM
Sunset: 6:42 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:56 PM
Moon Transit: 1:02 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
3:13 PM - 5:43 PM

Minor Periods

6:26 PM - 7:56 PM
7:17 AM - 8:47 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:44 AM
Sunset: 6:41 PM
Daylight: 11 hrs 53 mins
Moonrise: 7:23 PM
Moon Transit: 1:51 AM
Moonset: 9:00 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
4:04 PM - 6:34 PM

Minor Periods

6:53 PM - 8:23 PM
8:30 AM - 10:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:44 AM
Sunset: 6:41 PM
Daylight: 11 hrs 53 mins
Moonrise: 7:23 PM
Moon Transit: 1:51 AM
Moonset: 9:00 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
4:04 PM - 6:34 PM

Minor Periods

6:53 PM - 8:23 PM
8:30 AM - 10:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:43 AM
Sunset: 6:39 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:42 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
4:58 PM - 7:28 PM

Minor Periods

7:27 PM - 8:57 PM
9:46 AM - 11:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:43 AM
Sunset: 6:39 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:42 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
4:58 PM - 7:28 PM

Minor Periods

7:27 PM - 8:57 PM
9:46 AM - 11:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:43 AM
Sunset: 6:37 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:40 PM
Moon Transit: 3:39 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:57 PM - 8:27 PM

Minor Periods

8:10 PM - 9:40 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:43 AM
Sunset: 6:37 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:40 PM
Moon Transit: 3:39 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:57 PM - 8:27 PM

Minor Periods

8:10 PM - 9:40 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:43 AM
Sunset: 6:36 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:32 PM
Moon Transit: 4:39 AM
Moonset: 12:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
6:58 PM - 9:28 PM

Minor Periods

9:02 PM - 10:32 PM
12:16 AM - 1:46 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:43 AM
Sunset: 6:36 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:32 PM
Moon Transit: 4:39 AM
Moonset: 12:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
6:58 PM - 9:28 PM

Minor Periods

9:02 PM - 10:32 PM
12:16 AM - 1:46 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:42 AM
Sunset: 6:34 PM
Daylight: 11 hrs 42 mins
Moonrise: 10:37 PM
Moon Transit: 5:41 AM
Moonset: 1:51 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
8:01 PM - 10:31 PM

Minor Periods

10:07 PM - 11:37 PM
1:21 PM - 2:51 PM

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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