Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

45.1°F

Measurement Time: Thursday, April 9, 2026, 12:36 AM EDT

Today's Tides

 High: April 9, 4:52 AM, 5.6 ft
Low: April 9, 11:16 AM, 0.9 ft
 High: April 9, 5:31 PM, 5.2 ft
Low: April 9, 11:36 PM, 1.3 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

37°F
Clear
Clear
32.5°F
34.9°F
72%
SSE 5.6 mph
9.4 mph
29.9°F
28.2°F
0 in
0%
9 mi
1037 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 51°F
L: 34°F
Mist
Fri
H: 50°F
L: 37°F
Moderate rain
Sat
H: 59°F
L: 42°F
Partly Cloudy
Sun
H: 52°F
L: 39°F
Patchy rain nearby
Mon
H: 62°F
L: 49°F

Air Quality

PM2.5: 19.45 μg/m3
PM10: 22.05 μg/m3
Carbon Monoxide: 217.85 μg/m3
Nitrogen Dioxide: 34.45 μg/m3
Sulphur Dioxide: 4.25 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 12:53 AM
Sunset: 7:25 PM
Daylight: 13 hrs 3 mins
Moonrise: 2:12 AM
Moon Transit: 6:31 AM
Moonset: 10:53 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
8:48 PM - 11:18 PM

Minor Periods

10:23 AM - 11:53 AM
1:42 AM - 3:12 AM

Action Rating: 3 out of 5

Special Weather Statement issued April 8 at 5:30PM EDT by NWS Boston/Norton MA

Effective: Wed April 8, 2026, 5:30 PM
Expires: Thu April 9, 2026, 6:00 AM

Gusty south winds are expected Thursday, with speed up to 25 mph. Still dry, with minimum relative humidity values between 15 to 25 percent. When combined with the lack of recent significant rainfall and exposed fine fuels and leaf litter, elevated fire weather potential will exist Thursday.


Special Weather Statement issued April 8 at 5:44PM EDT by NWS Albany NY

Effective: Wed April 8, 2026, 5:44 PM
Expires: Thu April 9, 2026, 7:00 AM

Gusty south winds are expected Thursday, with speeds up to 25 mph and minimum relative humidity values between 20 to 30 percent. When combined with the lack of recent significant rainfall and exposed fine fuels and leaf litter, elevated fire weather potential will exist Thursday for Litchfield County.


Thursday, April 9, 2026

Weather Forecast

Sunny
51.3°F
34.2°F
40.4°F
78%
0 in
0%
0%
11.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 11.38 μg/m3
PM10: 14.67 μg/m3
Carbon Monoxide: 191.81 μg/m3
Nitrogen Dioxide: 17.11 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 73.8 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 12:53 AM
Sunset: 7:25 PM
Daylight: 13 hrs 3 mins
Moonrise: 2:12 AM
Moon Transit: 6:31 AM
Moonset: 10:53 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
8:48 PM - 11:18 PM

Minor Periods

10:23 AM - 11:53 AM
1:42 AM - 3:12 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Mist
49.8°F
36.7°F
41.8°F
89%
0 in
0%
0%
11.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 12.6 μg/m3
PM10: 16.46 μg/m3
Carbon Monoxide: 202.41 μg/m3
Nitrogen Dioxide: 11.48 μg/m3
Sulphur Dioxide: 4.08 μg/m3
Ozone: 79.04 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 12:52 AM
Sunset: 7:26 PM
Daylight: 13 hrs 6 mins
Moonrise: 2:52 AM
Moon Transit: 7:21 AM
Moonset: 11:56 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
12:00 AM - 12:00 AM

Minor Periods

11:26 AM - 12:56 AM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Moderate rain
59°F
42.3°F
49.6°F
69%
0.62 in
88%
0%
15.7 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 7.11 μg/m3
Carbon Monoxide: 203.89 μg/m3
Nitrogen Dioxide: 8.77 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 86.16 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:52 AM
Sunset: 7:27 PM
Daylight: 13 hrs 9 mins
Moonrise: 3:25 AM
Moon Transit: 8:10 AM
Moonset: 1:02 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:40 AM - 10:10 AM
12:00 AM - 12:00 AM

Minor Periods

12:32 AM - 2:02 PM
2:55 AM - 4:25 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Partly Cloudy
51.9°F
39.3°F
46.4°F
61%
0 in
0%
0%
14.5 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 5.74 μg/m3
Carbon Monoxide: 205.91 μg/m3
Nitrogen Dioxide: 10.51 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 71.62 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:52 AM
Sunset: 7:28 PM
Daylight: 13 hrs 12 mins
Moonrise: 3:54 AM
Moon Transit: 8:57 AM
Moonset: 2:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:27 AM - 10:57 AM
12:00 AM - 12:00 AM

Minor Periods

1:40 PM - 3:10 PM
3:24 AM - 4:54 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
62.2°F
48.8°F
52.9°F
83%
0.07 in
84%
0%
16.3 mph
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: 6:15 AM
Sun Transit: 12:52 AM
Sunset: 7:30 PM
Daylight: 13 hrs 14 mins
Moonrise: 4:19 AM
Moon Transit: 9:43 AM
Moonset: 3:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:13 AM - 11:43 AM

Minor Periods

2:49 PM - 4:19 PM
3:49 AM - 5:19 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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