Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

60.6°F 15.9°C
Cool Brisk & Refreshing
60.6°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Saturday, November 7, 2026, 5:54 AM EST

Temperature Locations

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Local Points of Interest

Sheffield Island Harbor; Calf Pasture and Shady Beach; Long Island Sound

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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

60.2°F
Overcast
Conditions: Overcast
Humidity: 78%
Feels Like: 56.3°F
Wind: W 8.9 mph
Wind Gusts: 11.7 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 2.2

Weather Forecast

Sunny
Sat
H: 61°F
L: 50°F
Sunny
Sun
H: 59°F
L: 48°F
Sunny
Mon
H: 56°F
L: 48°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
4.7 μg/m³
Good
PM10
4.8 μg/m³
Good
Ozone (O3)
55 μg/m³
Photochemical
NO2
7.7 μg/m³
Nitrogen Dioxide
SO2
1.3 μg/m³
Sulfur Dioxide
CO
210 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 10m daylight
Sunrise 6:32 AM
Solar Noon 11:37 AM
Sunset 4:43 PM
Moon
Waning Crescent • 1%
Moonrise 4:54 AM
Transit 10:16 AM
Moonset 3:30 PM

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 PM
10:09 PM - 12:39 AM

Minor Periods

4:24 AM - 5:54 AM
3:00 PM - 4:30 PM
Action Rating:
Good Action 3/5

Small Craft Advisory issued November 7 at 1:58AM EST until November 8 at 6:00AM EST by NWS Upton NY

Effective: Sat November 7, 2026, 1:58 AM
Expires: Sat November 7, 2026, 3:30 PM

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...From noon today to 6 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft.


Small Craft Advisory issued November 7 at 3:19AM EST until November 8 at 6:00PM EST by NWS Upton NY

Effective: Sat November 7, 2026, 3:19 AM
Expires: Sat November 7, 2026, 4:30 PM

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...From noon today to 6 PM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 56.8°F
Average Humidity: 76%
Chance of Rain: 45%
Wind: 19.9 mph
UV Index: 2.4

Astronomical

Sun
10h 10m daylight
Sunrise 6:32 AM
Solar Noon 11:37 AM
Sunset 4:43 PM
Moon
Waning Crescent • 1%
Moonrise 4:54 AM
Transit 10:16 AM
Moonset 3:30 PM

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 PM
10:09 PM - 12:39 AM

Minor Periods

4:24 AM - 5:54 AM
3:00 PM - 4:30 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 54.6°F
Average Humidity: 62%
Chance of Rain: 18%
Wind: 19.5 mph
UV Index: 2.3

Astronomical

Sun
10h 8m daylight
Sunrise 6:33 AM
Solar Noon 11:37 AM
Sunset 4:41 PM
Moon
New • 0%
Moonrise 6:00 AM
Transit 11:02 AM
Moonset 3:57 PM

Best Times for Fishing or Hunting

Major Periods

10:32 AM - 1:02 PM
10:56 PM - 1:26 AM

Minor Periods

5:30 AM - 7:00 AM
3:27 PM - 4:57 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51.9°F
Average Humidity: 58%
Chance of Rain: 17%
Wind: 21.5 mph
UV Index: 4

Astronomical

Sun
10h 6m daylight
Sunrise 6:35 AM
Solar Noon 11:37 AM
Sunset 4:40 PM
Moon
New • 2%
Moonrise 7:06 AM
Transit 11:50 AM
Moonset 4:29 PM

Best Times for Fishing or Hunting

Major Periods

11:20 AM - 1:50 PM
11:45 PM - 2:15 AM

Minor Periods

6:36 AM - 8:06 AM
3:59 PM - 5:29 PM
Action Rating:
Very Good 4/5
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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