Water Temperature of New Haven Harbor in New Haven, CT

Current Water Temperature

31.8°F

Measurement Time: Thursday, January 29, 2026, 5:00 AM EST

Today's Tides

Low: January 29, 1:14 AM, 0.2 ft
 High: January 29, 7:36 AM, 6.4 ft
Low: January 29, 2:09 PM, -0.2 ft
 High: January 29, 8:13 PM, 5.5 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

-0°F
Clear
Clear
-12.8°F
1.4°F
79%
NW 6.7 mph
14.1 mph
-11.4°F
-8.5°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 24°F
L: -2°F
Sunny
Fri
H: 23°F
L: 1°F
Sunny
Sat
H: 27°F
L: 2°F
Blizzard
Sun
H: 25°F
L: 14°F
Sunny
Mon
H: 30°F
L: 15°F

Air Quality

AQI: 1 - Good
PM2.5: 14.75 μg/m3
PM10: 14.85 μg/m3
Carbon Monoxide: 300.85 μg/m3
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:04 AM
Sunset: 5:04 PM
Daylight: 9 hrs 59 mins
Moonrise: 1:11 PM
Moon Transit: 9:24 PM
Moonset: 4:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:45 AM - 1:15 PM
8:54 PM - 11:24 PM

Minor Periods

12:41 AM - 2:11 PM
4:03 AM - 5:33 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 29 at 12:51AM EST until January 30 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 12:51 AM
Expires: Thu January 29, 2026, 9:15 AM

* WHAT...Very cold wind chills as low as 14 below expected. * WHERE...Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 29 at 12:51AM EST until January 30 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 12:51 AM
Expires: Thu January 29, 2026, 9:15 AM

* WHAT...Very cold wind chills as low as 7 below expected. * WHERE...Northeast Suffolk, Northwest Suffolk, Southeast Suffolk, and Southwest Suffolk Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 29 at 12:31AM EST until January 30 at 11:00AM EST by NWS Boston/Norton MA

Effective: Thu January 29, 2026, 12:31 AM
Expires: Thu January 29, 2026, 5:00 PM

* WHAT...Very cold wind chills as low as 20 below zero expected. * WHERE...Much of Southern New England except for the Berkshires, northern hills of Worcester County, Cape Cod and the Islands. * WHEN...From 7 PM this evening to 11 AM EST Friday. * IMPACTS...The cold wind chills as low as 20 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 29 at 12:30AM EST until January 30 at 11:00AM EST by NWS Albany NY

Effective: Thu January 29, 2026, 12:30 AM
Expires: Thu January 29, 2026, 5:00 PM

* WHAT...Very cold wind chills as low as 15 to 25 below expected. * WHERE...Northwestern Connecticut, western Massachusetts, and the Mohawk and Schoharie Valleys, Greater Capital Region, mid Hudson Valley, Taconics and Glens Falls-Saratoga Region of eastern New York. * WHEN...From 7 PM this evening to 11 AM EST Friday. * IMPACTS...The dangerously cold wind chills could result in hypothermia or frostbite if precautions are not taken. Frostbite can occur on exposed skin in as little as 30 minutes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 28 at 4:36PM EST until January 29 at 10:00AM EST by NWS Upton NY

Effective: Wed January 28, 2026, 4:36 PM
Expires: Thu January 29, 2026, 3:00 AM

* WHAT...Very cold wind chills as low as 10 below expected. * WHERE...In New Jersey, Eastern Bergen and Western Bergen Counties. In New York, Northern Westchester, Putnam, Rockland, and Southern Westchester Counties. * WHEN...From 1 AM to 10 AM EST Thursday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 29 at 12:51AM EST until January 30 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 12:51 AM
Expires: Thu January 29, 2026, 9:15 AM

* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 10 below expected. For the second Cold Weather Advisory, very cold wind chills as low as 15 below expected. * WHERE...Northern Westchester, Putnam, Rockland, and Southern Westchester Counties. * WHEN...For the first Cold Weather Advisory, until 10 AM EST this morning. For the second Cold Weather Advisory, from midnight tonight to 10 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 29 at 12:51AM EST until January 29 at 10:00AM EST by NWS Upton NY

Effective: Thu January 29, 2026, 12:51 AM
Expires: Thu January 29, 2026, 9:15 AM

* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 10 below expected. For the second Cold Weather Advisory, very cold wind chills as low as 15 below expected. * WHERE...Northern Westchester, Putnam, Rockland, and Southern Westchester Counties. * WHEN...For the first Cold Weather Advisory, until 10 AM EST this morning. For the second Cold Weather Advisory, from midnight tonight to 10 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Thursday, January 29, 2026

Weather Forecast

Sunny
23.7°F
-1.5°F
11.9°F
58%
0 in
0%
0%
11.4 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.55 μg/m3
PM10: 15.78 μg/m3
Carbon Monoxide: 308.29 μg/m3
Nitrogen Dioxide: 26.22 μg/m3
Sulphur Dioxide: 2.79 μg/m3
Ozone: 46.56 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:04 AM
Sunset: 5:04 PM
Daylight: 9 hrs 59 mins
Moonrise: 1:11 PM
Moon Transit: 9:24 PM
Moonset: 4:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:45 AM - 1:15 PM
8:54 PM - 11:24 PM

Minor Periods

12:41 AM - 2:11 PM
4:03 AM - 5:33 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Sunny
22.5°F
1.4°F
14.9°F
65%
0 in
0%
0%
11.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 5.24 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 230.53 μg/m3
Nitrogen Dioxide: 9.92 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 65.24 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:04 AM
Sunset: 5:06 PM
Daylight: 10 hrs 1 mins
Moonrise: 2:22 PM
Moon Transit: 10:28 PM
Moonset: 5:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Minor Periods

1:52 PM - 3:22 PM
5:05 AM - 6:35 AM

Action Rating: 3 out of 5

Saturday, January 31, 2026

Weather Forecast

Sunny
26.6°F
2.3°F
12.9°F
66%
0 in
0%
0%
16.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 252.37 μg/m3
Nitrogen Dioxide: 13.32 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 59.12 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:05 AM
Sunset: 5:07 PM
Daylight: 10 hrs 3 mins
Moonrise: 3:39 PM
Moon Transit: 11:28 PM
Moonset: 6:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:09 PM - 4:39 PM
5:56 AM - 7:26 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Blizzard
24.9°F
14°F
19.5°F
84%
0.51 in
72%
40%
29.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 5.73 μg/m3
Carbon Monoxide: 206.76 μg/m3
Nitrogen Dioxide: 11.4 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 69.96 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:05 AM
Sunset: 5:08 PM
Daylight: 10 hrs 5 mins
Moonrise: 4:57 PM
Moon Transit: 12:00 AM
Moonset: 7:04 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:48 PM - 4:18 PM

Minor Periods

4:27 PM - 5:57 PM
6:34 AM - 8:04 AM

Action Rating: 4 out of 5

Monday, February 2, 2026

Weather Forecast

Sunny
29.5°F
14.9°F
21.2°F
79%
0 in
0%
0%
20.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 5.72 μg/m3
Carbon Monoxide: 178.66 μg/m3
Nitrogen Dioxide: 7.33 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 81.77 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:05 AM
Sunset: 5:09 PM
Daylight: 10 hrs 8 mins
Moonrise: 6:13 PM
Moon Transit: 12:23 AM
Moonset: 7:35 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:40 PM - 5:10 PM

Minor Periods

5:43 PM - 7:13 PM
7:05 AM - 8:35 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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