Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

32.7°F

Measurement Time: Tuesday, February 17, 2026, 6:36 PM EST

Today's Tides

Low: February 17, 4:47 AM, -0.1 ft
 High: February 17, 10:57 AM, 6.4 ft
Low: February 17, 5:11 PM, -0.4 ft
 High: February 17, 11:20 PM, 6.2 ft

Temperature Locations

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Local Points of Interest

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

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

33.1°F
Mist
Mist
28.6°F
38.4°F
96%
SW 4.7 mph
9.9 mph
34.4°F
36°F
0 in
0%
2 mi
1019 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 40°F
L: 30°F
Patchy rain nearby
Wed
H: 36°F
L: 32°F
Cloudy
Thu
H: 37°F
L: 30°F
Freezing fog
Fri
H: 34°F
L: 29°F
Mist
Sat
H: 42°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 38.65 μg/m3
PM10: 40.55 μg/m3
Carbon Monoxide: 756.85 μg/m3
Nitrogen Dioxide: 83.45 μg/m3
Sulphur Dioxide: 7.55 μg/m3
Ozone: 2 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:05 AM
Sunset: 5:28 PM
Daylight: 10 hrs 44 mins
Moonrise: 6:53 AM
Moon Transit: 12:16 AM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
11:46 AM - 2:16 PM

Minor Periods

5:20 PM - 6:50 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Dense Fog Advisory issued February 17 at 12:53PM EST until February 18 at 10:00AM EST by NWS Upton NY

Effective: Tue February 17, 2026, 12:53 PM
Expires: Wed February 18, 2026, 4:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 10 PM this evening to 10 AM EST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Air Quality Alert issued February 17 at 11:56AM EST by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue February 17, 2026, 11:56 AM
Expires: Wed February 18, 2026, 12:00 AM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, Rockland until midnight EST tonight. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Fine Particulates. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Tuesday, February 17, 2026

Weather Forecast

Patchy rain nearby
39.9°F
29.5°F
33.9°F
88%
0 in
75%
6%
10.7 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 33.07 μg/m3
PM10: 36.35 μg/m3
Carbon Monoxide: 544.97 μg/m3
Nitrogen Dioxide: 61.51 μg/m3
Sulphur Dioxide: 6.85 μg/m3
Ozone: 24.8 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:05 AM
Sunset: 5:28 PM
Daylight: 10 hrs 44 mins
Moonrise: 6:53 AM
Moon Transit: 12:16 AM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
11:46 AM - 2:16 PM

Minor Periods

5:20 PM - 6:50 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Patchy rain nearby
36.1°F
32.4°F
34.9°F
98%
0.08 in
81%
3%
6.9 mph
0.2


Air Quality

AQI: 2 - Moderate
PM2.5: 26.79 μg/m3
PM10: 28.48 μg/m3
Carbon Monoxide: 652.13 μg/m3
Nitrogen Dioxide: 75.23 μg/m3
Sulphur Dioxide: 6.9 μg/m3
Ozone: 7.8 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:05 AM
Sunset: 5:29 PM
Daylight: 10 hrs 47 mins
Moonrise: 7:16 AM
Moon Transit: 12:00 AM
Moonset: 7:00 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:30 AM - 5:00 AM

Minor Periods

6:30 PM - 8:00 PM
6:46 AM - 8:16 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Cloudy
37.2°F
30.2°F
33.4°F
85%
0 in
0%
0%
9.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 13.3 μg/m3
Carbon Monoxide: 486.89 μg/m3
Nitrogen Dioxide: 39.35 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 34.64 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:05 AM
Sunset: 5:30 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:38 AM
Moon Transit: 4:07 PM
Moonset: 8:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

3:16 AM - 5:46 AM
3:37 PM - 6:07 PM

Minor Periods

7:41 PM - 9:11 PM
7:08 AM - 8:38 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Freezing fog
34.3°F
29.1°F
31.7°F
96%
0.29 in
85%
9%
15.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.63 μg/m3
PM10: 11.1 μg/m3
Carbon Monoxide: 251.39 μg/m3
Nitrogen Dioxide: 22.77 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 55.84 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:05 AM
Sunset: 5:32 PM
Daylight: 10 hrs 52 mins
Moonrise: 8:00 AM
Moon Transit: 2:34 PM
Moonset: 9:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:04 PM - 4:34 PM

Minor Periods

8:52 PM - 10:22 PM
7:30 AM - 9:00 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Mist
41.8°F
32.6°F
36.8°F
84%
0 in
0%
3%
8.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.71 μg/m3
PM10: 3.21 μg/m3
Carbon Monoxide: 188.57 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 85.54 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:05 AM
Sunset: 5:33 PM
Daylight: 10 hrs 55 mins
Moonrise: 8:24 AM
Moon Transit: 3:23 PM
Moonset: 10:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
2:53 PM - 5:23 PM

Minor Periods

10:07 PM - 11:37 PM
7:54 AM - 9:24 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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