Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

72.1°F

Measurement Time: Monday, September 15, 2025, 8:12 PM EDT

Today's Tides

 Low: September 15, 12:02 AM, 0.67 ft
High: September 15, 6:08 AM, 5.86 ft
 Low: September 15, 12:15 PM, 1.04 ft
High: September 15, 6:35 PM, 6.62 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

73.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 69%
Feels Like: 77.7°F
Wind: ESE 6 mph
Wind Gusts: 10.7 mph
Pressure: 30.24 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Mon
H: 83°F
L: 59°F
Overcast
Tue
H: 73°F
L: 60°F
Overcast
Wed
H: 68°F
L: 59°F
Partly Cloudy
Thu
H: 82°F
L: 60°F
Sunny
Fri
H: 78°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 13.69 μg/m3
PM10: 17.21 μg/m3
Carbon Monoxide: 403.3 μg/m3
Nitrogen Dioxide: 16.84 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:46 AM
Sunset: 7:00 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:28 AM
Moon Transit: 7:42 AM
Moonset: 3:51 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
12:00 AM - 12:00 AM

Minor Periods

3:21 PM - 4:51 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Rip Current Statement issued September 15 at 1:44PM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Mon September 15, 2025, 1:44 PM
Expires: Tue September 16, 2025, 5:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 15 at 1:44PM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Mon September 15, 2025, 1:44 PM
Expires: Tue September 16, 2025, 5:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 15 at 1:44PM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Mon September 15, 2025, 1:44 PM
Expires: Tue September 16, 2025, 5:00 AM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.
Monday, September 15, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 68.5°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 24.38 μg/m3
PM10: 25.83 μg/m3
Carbon Monoxide: 592.07 μg/m3
Nitrogen Dioxide: 30.6 μg/m3
Sulphur Dioxide: 4.34 μg/m3
Ozone: 86.76 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:46 AM
Sunset: 7:00 PM
Daylight: 12 hrs 28 mins
Moonrise: 12:28 AM
Moon Transit: 7:42 AM
Moonset: 3:51 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
12:00 AM - 12:00 AM

Minor Periods

3:21 PM - 4:51 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 65.7°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 11.01 μg/m3
PM10: 13.06 μg/m3
Carbon Monoxide: 395.01 μg/m3
Nitrogen Dioxide: 13.62 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 81.2 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:46 AM
Sunset: 6:59 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:37 AM
Moon Transit: 8:41 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

4:06 PM - 5:36 PM
12:07 AM - 1:37 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 63.3°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 9.86 μg/m3
PM10: 12.9 μg/m3
Carbon Monoxide: 358.9 μg/m3
Nitrogen Dioxide: 11.91 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 71.36 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:45 AM
Sunset: 6:57 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:48 AM
Moon Transit: 9:36 AM
Moonset: 5:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

4:41 PM - 6:11 PM
1:18 AM - 2:48 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 69.4°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 13.68 μg/m3
PM10: 17.73 μg/m3
Carbon Monoxide: 322.12 μg/m3
Nitrogen Dioxide: 17.84 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 72.52 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:45 AM
Sunset: 6:55 PM
Daylight: 12 hrs 20 mins
Moonrise: 3:00 AM
Moon Transit: 10:26 AM
Moonset: 5:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:56 AM - 12:26 AM

Minor Periods

5:09 PM - 6:39 PM
2:30 AM - 4:00 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.2°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 15.03 μg/m3
PM10: 15.63 μg/m3
Carbon Monoxide: 488.83 μg/m3
Nitrogen Dioxide: 44.44 μg/m3
Sulphur Dioxide: 7.04 μg/m3
Ozone: 53.46 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:45 AM
Sunset: 6:54 PM
Daylight: 12 hrs 17 mins
Moonrise: 4:10 AM
Moon Transit: 11:12 AM
Moonset: 6:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
10:42 AM - 1:12 PM

Minor Periods

5:33 PM - 7:03 PM
3:40 AM - 5:10 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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