Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

54.9°F 12.7°C
Cold Thermal Gear Required
54.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Saturday, November 14, 2026, 1:42 PM EST

Temperature Locations

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Local Points of Interest

East Haven, CT; East Shore Park; Long Island Sound

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New Haven Harbor

Station Name: New Haven
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -6 feet

Nearest Address:
1 Waterfront Street
New Haven, CT 06512
New Haven County

GPS Coordinates: 41.283333, -72.908333

Nearby Water Temperatures

Quinnipiac River, Wallingford, CT (12 mi)
Housatonic River, Stratford, CT (12.9 mi)
Naugatuck River, Beacon Falls, CT (13.6 mi)
Bridgeport Harbor, Bridgeport, CT (16.1 mi)
Rooster River, Bridgeport, CT (17.7 mi)
Mill River, Southport, CT (22.1 mi)
Mill River, Fairfield, CT (22.6 mi)
Flax Pond, Old Field, NY (25.3 mi)
Connecticut River, Middletown, CT (25.6 mi)
Saugatuck River, Westport Village, CT (26.4 mi)
Saugatuck River, Westport, CT (26.8 mi)
Norwalk River, Norwalk, CT (28.7 mi)
Peconic River, Riverhead, NY (28.9 mi)
Norwalk Harbor, Norwalk, CT (29 mi)
Norwalk River, Norwalk, CT (29.2 mi)

Weather for New Haven, Connecticut

Current Weather

43.7°F
Mainly Sunny
Conditions: Mainly Sunny
Humidity: 58%
Feels Like: 34°F
Wind: NW 13.4 mph
Wind Gusts: 19.3 mph
Pressure: 29.75 in
Precipitation: 0 in
Cloud Cover: 34%
Visibility: 20.8 mi
UV Index: 1.3

Five-Day Weather Forecast

Overcast
Sat
H: 44°F
L: 35°F
Overcast
Sun
H: 47°F
L: 36°F
Partly Cloudy
Mon
H: 50°F
L: 37°F
Overcast
Tue
H: 55°F
L: 38°F
Overcast
Wed
H: 58°F
L: 44°F

Air Quality

EPA Index 1 • Good

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

PM2.5
1.3 μg/m³
Good
PM10
1.3 μg/m³
Good
Ozone (O3)
63 μg/m³
Photochemical
NO2
2.4 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
120 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 54m daylight
Sunrise 6:39 AM
Solar Noon 11:36 AM
Sunset 4:33 PM
Moon
Waxing Crescent • 21%
Moonrise 11:27 AM
Transit 4:00 PM
Moonset 8:40 PM

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
3:30 PM - 6:00 PM

Minor Periods

10:57 AM - 12:27 PM
8:10 PM - 9:40 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 39.6°F
Average Humidity: 68%
Chance of Rain: 6%
Wind: 15.3 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
3.7 μg/m³
Good
PM10
3.7 μg/m³
Good
Ozone (O3)
47.2 μg/m³
Photochemical
NO2
7.8 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
144.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 54m daylight
Sunrise 6:39 AM
Solar Noon 11:36 AM
Sunset 4:33 PM
Moon
Waxing Crescent • 21%
Moonrise 11:27 AM
Transit 4:00 PM
Moonset 8:40 PM

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
3:30 PM - 6:00 PM

Minor Periods

10:57 AM - 12:27 PM
8:10 PM - 9:40 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 40.8°F
Average Humidity: 73%
Chance of Rain: 3%
Wind: 13.5 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
1.4 μg/m³
Good
PM10
1.4 μg/m³
Good
Ozone (O3)
54.2 μg/m³
Photochemical
NO2
5 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
136.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 52m daylight
Sunrise 6:40 AM
Solar Noon 11:36 AM
Sunset 4:32 PM
Moon
Waxing Crescent • 31%
Moonrise 11:59 AM
Transit 4:47 PM
Moonset 9:43 PM

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
4:17 PM - 6:47 PM

Minor Periods

11:29 AM - 12:59 PM
9:13 PM - 10:43 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.3°F
Average Humidity: 67%
Chance of Rain: 1%
Wind: 11.1 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
3.3 μg/m³
Good
PM10
3.4 μg/m³
Good
Ozone (O3)
52 μg/m³
Photochemical
NO2
11.2 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
153.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 50m daylight
Sunrise 6:41 AM
Solar Noon 11:36 AM
Sunset 4:32 PM
Moon
First Quarter • 42%
Moonrise 12:25 PM
Transit 5:31 PM
Moonset 10:47 PM

Best Times for Fishing or Hunting

Major Periods

4:39 AM - 7:09 AM
5:01 PM - 7:31 PM

Minor Periods

11:55 AM - 1:25 PM
10:17 PM - 11:47 PM
Action Rating:
Very Good 4/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45.5°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 9.1 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
8.1 μg/m³
Good
PM10
8.3 μg/m³
Good
Ozone (O3)
42.5 μg/m³
Photochemical
NO2
18.3 μg/m³
Nitrogen Dioxide
SO2
1.6 μg/m³
Sulfur Dioxide
CO
229.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 48m daylight
Sunrise 6:43 AM
Solar Noon 11:36 AM
Sunset 4:31 PM
Moon
First Quarter • 54%
Moonrise 12:49 PM
Transit 6:14 PM
Moonset 11:50 PM

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
5:44 PM - 8:14 PM

Minor Periods

12:19 PM - 1:49 PM
11:20 PM - 12:50 AM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 49.8°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 5.7 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
10.1 μg/m³
Good
PM10
10.2 μg/m³
Good
Ozone (O3)
38.2 μg/m³
Photochemical
NO2
20 μg/m³
Nitrogen Dioxide
SO2
2 μg/m³
Sulfur Dioxide
CO
248.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 46m daylight
Sunrise 6:44 AM
Solar Noon 11:36 AM
Sunset 4:30 PM
Moon
First Quarter • 65%
Moonrise 1:10 PM
Transit 6:57 PM
Moonset 1:35 AM

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
6:27 PM - 8:57 PM

Minor Periods

1:05 AM - 2:35 AM
12:40 PM - 2:10 PM
Action Rating:
Fair Action 2/5
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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