Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

70.2°F

Measurement Time: Wednesday, June 25, 2025, 5:06 AM EDT

Today's Tides

 Low: June 25, 5:40 AM, -0.37 ft
High: June 25, 11:46 AM, 6.44 ft
 Low: June 25, 5:48 PM, 0.29 ft

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 / 0 meters

Sensor Depth: -5.8 feet / -1.8 meters

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 (12.0 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 (29.0 mi)
Norwalk River, Norwalk, CT (29.2 mi)

Weather for New Haven, Connecticut

Current Weather

77.4°F
Clear
Conditions: Clear
Humidity: 88%
Feels Like: 80.4°F
Wind: WNW 4.5 mph
Wind Gusts: 9.4 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 101°F
L: 81°F
Patchy rain nearby
Thu
H: 76°F
L: 61°F
Patchy rain nearby
Fri
H: 61°F
L: 58°F
Moderate rain
Sat
H: 80°F
L: 58°F
Patchy rain nearby
Sun
H: 72°F
L: 60°F

Air Quality

PM2.5: 16.84 μg/m3
PM10: 18.87 μg/m3
Carbon Monoxide: 318.2 μg/m3
Nitrogen Dioxide: 11.1 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 117 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 4:59 AM
Moon Transit: 1:12 PM
Moonset: 9:20 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
12:42 AM - 3:12 PM

Minor Periods

8:50 PM - 10:20 PM
4:29 AM - 5:59 AM

Action Rating: 5 out of 5

Air Quality Alert issued June 24 at 11:18PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 24, 2025, 11:18 PM
Expires: Wed June 25, 2025, 11:00 PM

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven, Southern Middlesex, Southern New London. from 11 AM to 11 PM EDT Wednesday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Heat Advisory issued June 24 at 8:06PM EDT until June 25 at 7:00PM EDT by NWS Upton NY

Effective: Tue June 24, 2025, 8:06 PM
Expires: Wed June 25, 2025, 5:00 AM

* WHAT...Heat index values up to 102. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...Until 7 PM EDT Wednesday. * IMPACTS...High temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...The highest heat index values will take place during the afternoon.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Heat Advisory issued June 24 at 8:06PM EDT until June 25 at 7:00PM EDT by NWS Upton NY

Effective: Tue June 24, 2025, 8:06 PM
Expires: Wed June 25, 2025, 5:00 AM

* WHAT...Heat index values up to 102. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...Until 7 PM EDT Wednesday. * IMPACTS...High temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...The highest heat index values will take place during the afternoon.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Air Quality Alert issued June 24 at 11:18PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 24, 2025, 11:18 PM
Expires: Wed June 25, 2025, 11:00 PM

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven, Southern Middlesex, Southern New London. from 11 AM to 11 PM EDT Wednesday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Heat Advisory issued June 24 at 8:06PM EDT until June 25 at 7:00PM EDT by NWS Upton NY

Effective: Tue June 24, 2025, 8:06 PM
Expires: Wed June 25, 2025, 5:00 AM

* WHAT...Heat index values up to 102. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...Until 7 PM EDT Wednesday. * IMPACTS...High temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...The highest heat index values will take place during the afternoon.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Wednesday, June 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 90.2°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 15.92 μg/m3
PM10: 17.34 μg/m3
Carbon Monoxide: 334.7 μg/m3
Nitrogen Dioxide: 12.96 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 115.4 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 4:59 AM
Moon Transit: 1:12 PM
Moonset: 9:20 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
12:42 AM - 3:12 PM

Minor Periods

8:50 PM - 10:20 PM
4:29 AM - 5:59 AM

Action Rating: 5 out of 5

Thursday, June 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.1°F
Average Humidity: 64%
Chance of Rain: 65%
Wind: 11.6 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 9.92 μg/m3
PM10: 10.54 μg/m3
Carbon Monoxide: 366.89 μg/m3
Nitrogen Dioxide: 11.71 μg/m3
Sulphur Dioxide: 2.44 μg/m3
Ozone: 86.72 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:11 AM
Moon Transit: 2:13 PM
Moonset: 10:06 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:36 AM - 6:06 AM
1:43 PM - 4:13 PM

Minor Periods

9:36 PM - 11:06 PM
5:41 AM - 7:11 AM

Action Rating: 4 out of 5

Friday, June 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 61.6°F
Average Humidity: 83%
Chance of Rain: 85%
Wind: 12.5 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 7.07 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 310.5 μg/m3
Nitrogen Dioxide: 9.22 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 82.36 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:29 PM
Daylight: 15 hrs 9 mins
Moonrise: 7:26 AM
Moon Transit: 3:10 PM
Moonset: 10:42 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
2:40 PM - 5:10 PM

Minor Periods

10:12 PM - 11:42 PM
6:56 AM - 8:26 AM

Action Rating: 3 out of 5

Saturday, June 28, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 68.5°F
Average Humidity: 92%
Chance of Rain: 85%
Wind: 10.5 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 12.35 μg/m3
PM10: 17.26 μg/m3
Carbon Monoxide: 259.57 μg/m3
Nitrogen Dioxide: 7.36 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 67.92 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 8 mins
Moonrise: 8:40 AM
Moon Transit: 4:01 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
3:31 PM - 6:01 PM

Minor Periods

12:00 AM - 12:00 AM
8:10 AM - 9:40 AM

Action Rating: 3 out of 5

Sunday, June 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 64.1°F
Average Humidity: 92%
Chance of Rain: 89%
Wind: 9.2 mph
UV Index: 0

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: 5:21 AM
Sun Transit: 12:55 AM
Sunset: 8:29 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:50 AM
Moon Transit: 4:47 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

6:16 AM - 8:46 AM
4:17 PM - 6:47 PM

Minor Periods

9:20 AM - 10:50 AM
12:00 AM - 12:00 AM

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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