Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

55.2°F

Measurement Time: Saturday, May 10, 2025, 2:48 AM EDT

Today's Tides

 Low: May 10, 4:35 AM, 0.24 ft
High: May 10, 10:42 AM, 5.87 ft
 Low: May 10, 4:41 PM, 0.82 ft
High: May 10, 10:50 PM, 6.71 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

53.1°F
Mist
Conditions: Mist
Humidity: 96%
Feels Like: 49.8°F
Wind: NNW 10.1 mph
Wind Gusts: 14.1 mph
Pressure: 29.8 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 2 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 71°F
L: 50°F
Sunny
Sun
H: 70°F
L: 51°F
Sunny
Mon
H: 68°F
L: 48°F
Partly Cloudy
Tue
H: 68°F
L: 53°F
Patchy rain nearby
Wed
H: 61°F
L: 57°F

Air Quality

PM2.5: 1.67 μg/m3
PM10: 1.67 μg/m3
Carbon Monoxide: 284.9 μg/m3
Nitrogen Dioxide: 10.92 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 21 mins
Moonrise: 6:21 PM
Moon Transit: 11:36 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:06 PM - 3:36 PM
12:00 AM - 12:00 AM

Minor Periods

5:51 PM - 7:21 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Flood Warning issued May 10 at 12:42AM EDT until May 11 at 11:00AM EDT by NWS Albany NY

Effective: Sat May 10, 2025, 12:42 AM
Expires: Sat May 10, 2025, 12:45 PM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Housatonic River at Stevenson Dam. * WHEN...Until late tomorrow morning. * IMPACTS...At 11.0 feet, Flood stage. * ADDITIONAL DETAILS... - At 11:30 PM EDT Friday the stage was 12.0 feet. - Forecast...The river is expected to rise to a crest of 11.3 feet this afternoon. It will then fall below flood stage late tonight. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood


Flood Warning issued May 10 at 12:42AM EDT until May 11 at 11:00AM EDT by NWS Albany NY

Effective: Sat May 10, 2025, 12:42 AM
Expires: Sat May 10, 2025, 12:45 PM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Housatonic River at Stevenson Dam. * WHEN...Until late tomorrow morning. * IMPACTS...At 11.0 feet, Flood stage. * ADDITIONAL DETAILS... - At 11:30 PM EDT Friday the stage was 12.0 feet. - Forecast...The river is expected to rise to a crest of 11.3 feet this afternoon. It will then fall below flood stage late tonight. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood


Flood Watch issued May 9 at 2:59PM EDT until May 10 at 8:00AM EDT by NWS Boston/Norton MA

Effective: Fri May 9, 2025, 2:59 PM
Expires: Sat May 10, 2025, 4:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Connecticut, including the following areas, Hartford CT, Tolland CT and Windham CT and Massachusetts, including the following areas, Eastern Franklin MA, Eastern Hampden MA, Eastern Hampshire MA, Northern Middlesex MA, Northern Worcester MA, Southern Worcester MA, Western Franklin MA, Western Hampden MA and Western Hampshire MA. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - With 3-5 inches of rain estimated to have fallen on Thursday across central Worcester county, another 1.5-3 inches of rain on Friday may cause small creeks and streams to flood. Minor street and nuisance flooding is possible, but flash flooding is unlikely. - http://www.weather.gov/safety/flood - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued May 9 at 2:59PM EDT until May 10 at 8:00AM EDT by NWS Boston/Norton MA

Effective: Fri May 9, 2025, 2:59 PM
Expires: Sat May 10, 2025, 4:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Connecticut, including the following areas, Hartford CT, Tolland CT and Windham CT and Massachusetts, including the following areas, Eastern Franklin MA, Eastern Hampden MA, Eastern Hampshire MA, Northern Middlesex MA, Northern Worcester MA, Southern Worcester MA, Western Franklin MA, Western Hampden MA and Western Hampshire MA. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - With 3-5 inches of rain estimated to have fallen on Thursday across central Worcester county, another 1.5-3 inches of rain on Friday may cause small creeks and streams to flood. Minor street and nuisance flooding is possible, but flash flooding is unlikely. - http://www.weather.gov/safety/flood - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued May 9 at 2:44PM EDT until May 10 at 8:00AM EDT by NWS Albany NY

Effective: Fri May 9, 2025, 2:44 PM
Expires: Sat May 10, 2025, 8:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwestern Connecticut, including the following areas, Litchfield County, western Massachusetts, including Berkshire County, in eastern New York, including the eastern Catskills, mid Hudson Valley, the Greater Capital Region, central and eastern Mohawk Valley, the Taconics, Schoharie Valley, Helderbergs and southern reaches of the Lake George and northern Saratoga Region, as well as southern Vermont including Bennington and Windham Counties. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A low pressure system will bring 1.5 to 3 inches of rainfall to the region through Saturday morning. This rainfall will fall on already saturated soils from heavy rainfall from the past weekend into early this week. Minor flooding of main stem rivers, creeks and small streams may occur as well as flooding of urban and poor drainage areas. Some rivers that could reach the minor flood stage include the Esopus, Still and Housatonic. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Saturday, May 10, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 58.1°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 17.2 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 314.57 μg/m3
Nitrogen Dioxide: 16 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 66.56 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 21 mins
Moonrise: 6:21 PM
Moon Transit: 11:36 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:06 PM - 3:36 PM
12:00 AM - 12:00 AM

Minor Periods

5:51 PM - 7:21 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Sunday, May 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.5°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 324.42 μg/m3
Nitrogen Dioxide: 11.42 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 78.8 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:48 AM
Sunset: 8:00 PM
Daylight: 14 hrs 23 mins
Moonrise: 7:24 PM
Moon Transit: 12:00 AM
Moonset: 4:44 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:48 PM - 4:18 PM

Minor Periods

6:54 PM - 8:24 PM
4:14 AM - 5:44 AM

Action Rating: 5 out of 5

Monday, May 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.3°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 11.02 μg/m3
PM10: 12.65 μg/m3
Carbon Monoxide: 388.43 μg/m3
Nitrogen Dioxide: 21.71 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:48 AM
Sunset: 8:01 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:28 PM
Moon Transit: 12:19 AM
Moonset: 5:08 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:33 PM - 5:03 PM

Minor Periods

7:58 PM - 9:28 PM
4:38 AM - 6:08 AM

Action Rating: 4 out of 5

Tuesday, May 13, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 59°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 13.96 μg/m3
PM10: 17.87 μg/m3
Carbon Monoxide: 347.66 μg/m3
Nitrogen Dioxide: 20.19 μg/m3
Sulphur Dioxide: 4.51 μg/m3
Ozone: 78.85 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:48 AM
Sunset: 8:02 PM
Daylight: 14 hrs 27 mins
Moonrise: 9:31 PM
Moon Transit: 1:06 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
3:22 PM - 5:52 PM

Minor Periods

9:01 PM - 10:31 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Wednesday, May 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 58.3°F
Average Humidity: 98%
Chance of Rain: 79%
Wind: 8.3 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: 5:34 AM
Sun Transit: 12:48 AM
Sunset: 8:03 PM
Daylight: 14 hrs 29 mins
Moonrise: 10:32 PM
Moon Transit: 1:55 AM
Moonset: 6:17 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
4:13 PM - 6:43 PM

Minor Periods

10:02 PM - 11:32 PM
5:47 AM - 7:17 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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