Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

71.2°F

Measurement Time: Thursday, September 18, 2025, 1:12 AM EDT

Today's Tides

 Low: September 18, 3:08 AM, 0.54 ft
High: September 18, 9:16 AM, 6.33 ft
 Low: September 18, 3:26 PM, 0.72 ft
High: September 18, 9:39 PM, 6.69 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

68.4°F
Overcast
Conditions: Overcast
Humidity: 84%
Feels Like: 68.4°F
Wind: NNE 6.5 mph
Wind Gusts: 9.5 mph
Pressure: 30 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 86°F
L: 64°F
Sunny
Fri
H: 81°F
L: 64°F
Sunny
Sat
H: 72°F
L: 53°F
Sunny
Sun
H: 67°F
L: 52°F
Sunny
Mon
H: 68°F
L: 48°F

Air Quality

PM2.5: 6.29 μg/m3
PM10: 8.33 μg/m3
Carbon Monoxide: 397.75 μg/m3
Nitrogen Dioxide: 12.03 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 63 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

Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 72.7°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 395.9 μg/m3
Nitrogen Dioxide: 13.58 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 79 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: 71.3°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 11.53 μg/m3
PM10: 12 μg/m3
Carbon Monoxide: 443.11 μg/m3
Nitrogen Dioxide: 28.05 μg/m3
Sulphur Dioxide: 4.93 μg/m3
Ozone: 79.24 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

Saturday, September 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.8°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 4.28 μg/m3
PM10: 4.54 μg/m3
Carbon Monoxide: 334.33 μg/m3
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 2.38 μg/m3
Ozone: 75.28 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:44 AM
Sunset: 6:52 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:17 AM
Moon Transit: 11:56 AM
Moonset: 6:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
11:26 AM - 1:56 PM

Minor Periods

5:54 PM - 7:24 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.8°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 8.78 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 318.34 μg/m3
Nitrogen Dioxide: 14.47 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 62.38 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:44 AM
Sunset: 6:50 PM
Daylight: 12 hrs 12 mins
Moonrise: 6:22 AM
Moon Transit: 12:37 AM
Moonset: 6:43 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
12:07 AM - 2:37 PM

Minor Periods

6:13 PM - 7:43 PM
5:52 AM - 7:22 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 57.4°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 6.7 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: 6:40 AM
Sun Transit: 12:44 AM
Sunset: 6:48 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:24 AM
Moon Transit: 1:18 PM
Moonset: 7:02 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
12:48 AM - 3:18 PM

Minor Periods

6:32 PM - 8:02 PM
6:54 AM - 8:24 AM

Action Rating: 5 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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