Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

38.1°F

Measurement Time: Monday, March 16, 2026, 9:12 PM EDT

Today's Tides

Low: March 16, 3:51 AM, 0.3 ft
 High: March 16, 10:03 AM, 6.1 ft
Low: March 16, 4:17 PM, 0.1 ft
 High: March 16, 10:26 PM, 6.1 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

53.1°F
Heavy rain
Heavy rain
47.2°F
55.9°F
96%
S 22.6 mph
47.4 mph
50.9°F
55.4°F
0.02 in
100%
0 mi
999 mbar
0

Five Day Weather Forecast

Heavy rain
Mon
H: 56°F
L: 38°F
Patchy rain nearby
Tue
H: 42°F
L: 29°F
Partly Cloudy
Wed
H: 34°F
L: 24°F
Partly Cloudy
Thu
H: 39°F
L: 30°F
Patchy rain nearby
Fri
H: 45°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 133.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:54 AM
Moon Transit: 11:07 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
10:37 AM - 1:07 PM

Minor Periods

4:01 PM - 5:31 PM
5:24 AM - 6:54 AM

Action Rating: 3 out of 5

Wind Advisory issued March 16 at 1:35PM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 1:35 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Locally damaging wind gusts possible with any thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Flood Advisory issued March 16 at 7:58PM EDT until March 16 at 11:00PM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 7:58 PM
Expires: Mon March 16, 2026, 11:00 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southern Connecticut, including the following counties, New Haven and northwestern Middlesex. * WHEN...Until 1100 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 758 PM EDT, Doppler radar and automated rain gauges indicated heavy rain capable of causing urban and small stream flooding. Between 0.4 and 0.7 inches of rain have fallen. - Additional rainfall of up to 0.5 inch is expected. - Some locations that could experience minor flooding include... New Haven, Meriden, Middletown, Wallingford, Guilford, East Hampton, Durham, Hamden, Branford, North Haven, North Branford, Cromwell, Portland, Haddam, Killingworth, Middlefield, Lake Pocotopaug--East Hampton, West Haven, East Haven and Madison. - http://www.weather.gov/safety/flood

Be especially cautious at night when it is harder to recognize the dangers of flooding.


Dense Fog Advisory issued March 16 at 4:38PM EDT until March 17 at 1:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...For the Wind Advisory, south winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...For the Dense Fog Advisory, until 1 AM EDT Tuesday. For the Wind Advisory, until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed. Low visibility could make driving conditions hazardous.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Wind Advisory issued March 16 at 4:38PM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...For the Wind Advisory, south winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...For the Dense Fog Advisory, until 1 AM EDT Tuesday. For the Wind Advisory, until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed. Low visibility could make driving conditions hazardous.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Wind Advisory issued March 16 at 4:38PM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...South winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Eastern Bergen, Eastern Essex, Eastern Union, and Hudson Counties. In New York, New York (Manhattan) and Richmond (Staten Island) Counties. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Monday, March 16, 2026

Weather Forecast

Heavy rain
56.1°F
38.1°F
50.9°F
96%
0.79 in
89%
0%
32.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.41 μg/m3
PM10: 8.59 μg/m3
Carbon Monoxide: 160.77 μg/m3
Nitrogen Dioxide: 4.56 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 80.88 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:54 AM
Moon Transit: 11:07 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
10:37 AM - 1:07 PM

Minor Periods

4:01 PM - 5:31 PM
5:24 AM - 6:54 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Patchy rain nearby
41.9°F
28.6°F
39.4°F
64%
0.03 in
82%
0%
33.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.83 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 173.93 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 83.68 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:00 PM
Sunset: 7:01 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:18 AM
Moon Transit: 11:53 AM
Moonset: 5:41 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
11:23 AM - 1:53 PM

Minor Periods

5:11 PM - 6:41 PM
5:48 AM - 7:18 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Partly Cloudy
34.2°F
24.1°F
28.7°F
55%
0 in
0%
0%
13.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 4.78 μg/m3
Carbon Monoxide: 200.09 μg/m3
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 81.6 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:00 PM
Sunset: 7:02 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:41 AM
Moon Transit: 12:40 AM
Moonset: 6:52 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
12:10 AM - 2:40 PM

Minor Periods

6:22 PM - 7:52 PM
6:11 AM - 7:41 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Partly Cloudy
39.4°F
29.5°F
34.1°F
73%
0 in
0%
0%
8.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 7.11 μg/m3
PM10: 8.92 μg/m3
Carbon Monoxide: 188.7 μg/m3
Nitrogen Dioxide: 10.86 μg/m3
Sulphur Dioxide: 2.66 μg/m3
Ozone: 78.68 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:00 PM
Sunset: 7:03 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:03 AM
Moon Transit: 1:31 AM
Moonset: 8:05 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:01 AM - 3:31 AM

Minor Periods

7:35 PM - 9:05 PM
6:33 AM - 8:03 AM

Action Rating: 4 out of 5

Friday, March 20, 2026

Weather Forecast

Patchy rain nearby
45.3°F
34.3°F
40°F
75%
0.02 in
61%
0%
11.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 11.75 μg/m3
PM10: 13.99 μg/m3
Carbon Monoxide: 217.97 μg/m3
Nitrogen Dioxide: 16.78 μg/m3
Sulphur Dioxide: 4.41 μg/m3
Ozone: 67.31 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 10:27 AM
Sunset: 7:04 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:26 AM
Moon Transit: 2:16 PM
Moonset: 9:21 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
1:46 PM - 4:16 PM

Minor Periods

8:51 PM - 10:21 PM
6:56 AM - 8:26 AM

Action Rating: 4 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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