Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

53.8°F

Measurement Time: Sunday, May 10, 2026, 9:54 AM EDT

Today's Tides

 High: May 10, 6:05 AM, 5.7 ft
Low: May 10, 12:22 PM, 0.9 ft
 High: May 10, 6:39 PM, 5.9 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

53.1°F
Mist
Mist
52.4°F
53°F
93%
SSW 4 mph
5.1 mph
51.9°F
52.1°F
0 in
100%
2 mi
1013 mbar
3.2

Five Day Weather Forecast

Moderate rain
Sun
H: 65°F
L: 52°F
Patchy rain nearby
Mon
H: 55°F
L: 48°F
Sunny
Tue
H: 62°F
L: 42°F
Patchy rain nearby
Wed
H: 61°F
L: 45°F
Moderate rain
Thu
H: 59°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 16.55 μg/m3
PM10: 18.05 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 6.15 μg/m3
Ozone: 129 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 21 mins
Moonrise: 2:19 AM
Moon Transit: 7:35 AM
Moonset: 1:01 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
12:00 AM - 12:00 AM

Minor Periods

12:31 AM - 2:01 PM
1:49 AM - 3:19 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued May 10 at 5:59AM EDT until May 10 at 9:00AM EDT by NWS Upton NY

Effective: Sun May 10, 2026, 5:59 AM
Expires: Sun May 10, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Suffolk County. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Special Weather Statement issued May 10 at 3:20AM EDT by NWS Upton NY

Effective: Sun May 10, 2026, 3:20 AM
Expires: Sun May 10, 2026, 9:00 AM

Areas of fog around the greater New York City metropolitan area could be locally dense overnight into early this morning, with visibility less than one quarter mile in spots. The low visibility could make driving conditions hazardous, so if out driving slow down, use your low beam headlights or fog lamps, and leave plenty of distance ahead of you.


Sunday, May 10, 2026

Weather Forecast

Moderate rain
64.6°F
51.6°F
56.1°F
93%
0.2 in
84%
0%
7.6 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 13.22 μg/m3
PM10: 15.93 μg/m3
Carbon Monoxide: 181.25 μg/m3
Nitrogen Dioxide: 9.31 μg/m3
Sulphur Dioxide: 3.51 μg/m3
Ozone: 97.6 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:48 AM
Sunset: 7:59 PM
Daylight: 14 hrs 21 mins
Moonrise: 2:19 AM
Moon Transit: 7:35 AM
Moonset: 1:01 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
12:00 AM - 12:00 AM

Minor Periods

12:31 AM - 2:01 PM
1:49 AM - 3:19 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Patchy rain nearby
55.2°F
47.9°F
51.7°F
69%
0.04 in
87%
0%
10.3 mph
4.2


Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 6.48 μg/m3
Carbon Monoxide: 203.41 μg/m3
Nitrogen Dioxide: 10.23 μg/m3
Sulphur Dioxide: 2.52 μg/m3
Ozone: 79.12 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:48 AM
Sunset: 8:00 PM
Daylight: 14 hrs 23 mins
Moonrise: 2:42 AM
Moon Transit: 8:20 AM
Moonset: 2:09 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Minor Periods

1:39 PM - 3:09 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Tuesday, May 12, 2026

Weather Forecast

Sunny
61.6°F
41.7°F
52.3°F
50%
0 in
0%
0%
11.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 2.87 μg/m3
Carbon Monoxide: 159.05 μg/m3
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 69.88 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:48 AM
Sunset: 8:01 PM
Daylight: 14 hrs 25 mins
Moonrise: 3:04 AM
Moon Transit: 9:41 PM
Moonset: 3:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

9:11 PM - 11:41 PM
9:11 PM - 11:41 PM

Minor Periods

2:48 PM - 4:18 PM
2:34 AM - 4:04 AM

Action Rating: 2 out of 5

Wednesday, May 13, 2026

Weather Forecast

Patchy rain nearby
60.8°F
44.9°F
52.5°F
61%
0.01 in
84%
0%
15.4 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.86 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 197.28 μg/m3
Nitrogen Dioxide: 14.34 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 69.8 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:48 AM
Sunset: 8:02 PM
Daylight: 14 hrs 27 mins
Moonrise: 3:26 AM
Moon Transit: 12:00 AM
Moonset: 4:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:00 PM - 5:30 PM
2:56 AM - 4:26 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Moderate rain
59.4°F
50.3°F
53.5°F
90%
0.48 in
77%
0%
11.9 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.06 μg/m3
PM10: 9.63 μg/m3
Carbon Monoxide: 135.26 μg/m3
Nitrogen Dioxide: 3.27 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 102.08 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:48 AM
Sunset: 8:03 PM
Daylight: 14 hrs 29 mins
Moonrise: 3:50 AM
Moon Transit: 10:40 AM
Moonset: 5:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
10:10 AM - 12:40 AM

Minor Periods

5:16 PM - 6:46 PM
3:20 AM - 4:50 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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