Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

73.9°F

Measurement Time: Saturday, July 25, 2026, 2:42 AM EDT

Today's Tides

Low: July 25, 2:55 AM, 0.8 ft
 High: July 25, 9:01 AM, 5.5 ft
Low: July 25, 3:01 PM, 1.3 ft
 High: July 25, 9:15 PM, 6.4 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

66°F
Clear
Clear
66°F
62.1°F
81%
E 3.4 mph
6.4 mph
62.1°F
56.2°F
0 in
0%
9 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 83°F
L: 58°F
Sunny
Sun
H: 76°F
L: 58°F
Sunny
Mon
H: 75°F
L: 61°F
Partly Cloudy
Tue
H: 78°F
L: 67°F
Light rain shower
Wed
H: 70°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 11.9 μg/m3
PM10: 14.8 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 11.8 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:58 AM
Sunset: 8:16 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:54 PM
Moon Transit: 10:10 PM
Moonset: 1:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:36 AM - 2:06 PM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
83.1°F
58.1°F
68.6°F
66%
0 in
4%
0%
9.6 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 10.03 μg/m3
PM10: 11.92 μg/m3
Carbon Monoxide: 131.54 μg/m3
Nitrogen Dioxide: 6.78 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 82.04 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:58 AM
Sunset: 8:16 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:54 PM
Moon Transit: 10:10 PM
Moonset: 1:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:36 AM - 2:06 PM
12:00 AM - 12:00 AM

Minor Periods

5:24 PM - 6:54 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
75.8°F
58°F
67.5°F
63%
0 in
4%
0%
8.7 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 9.91 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 135.92 μg/m3
Nitrogen Dioxide: 7.98 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 88.58 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:58 AM
Sunset: 8:15 PM
Daylight: 14 hrs 34 mins
Moonrise: 6:44 PM
Moon Transit: 11:02 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 PM
12:00 AM - 12:00 AM

Minor Periods

6:14 PM - 7:44 PM
1:57 AM - 3:27 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
75°F
61.2°F
68.4°F
73%
0.01 in
18%
0%
11 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 14.03 μg/m3
PM10: 17.41 μg/m3
Carbon Monoxide: 115.17 μg/m3
Nitrogen Dioxide: 7.36 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 93.25 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 32 mins
Moonrise: 7:25 PM
Moon Transit: 11:52 PM
Moonset: 3:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

1:19 PM - 3:49 PM
12:00 AM - 12:00 AM

Minor Periods

6:55 PM - 8:25 PM
2:52 AM - 4:22 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Partly Cloudy
77.8°F
67.2°F
72°F
82%
0.23 in
77%
0%
14.1 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 11.93 μg/m3
PM10: 14.62 μg/m3
Carbon Monoxide: 145.58 μg/m3
Nitrogen Dioxide: 3.81 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 105.54 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:58 AM
Sunset: 8:13 PM
Daylight: 14 hrs 30 mins
Moonrise: 8:01 PM
Moon Transit: 12:00 AM
Moonset: 4:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:08 PM - 4:38 PM

Minor Periods

7:31 PM - 9:01 PM
3:54 AM - 5:24 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Light rain shower
69.6°F
66.1°F
68.6°F
97%
2.99 in
94%
0%
15.4 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 5.26 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 286.89 μg/m3
Nitrogen Dioxide: 8.14 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 74.44 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:58 AM
Sunset: 8:12 PM
Daylight: 14 hrs 28 mins
Moonrise: 8:30 PM
Moon Transit: 12:41 AM
Moonset: 5:29 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:11 AM - 2:41 AM
2:56 PM - 5:26 PM

Minor Periods

8:00 PM - 9:30 PM
4:59 AM - 6:29 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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