Water Temperature of the Mystic River in Noank, CT

Current Water Temperature

46.0°F

Measurement Time: Monday, April 10, 2023, 7:42 AM EDT

Temperature Locations

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Local Points of Interest

Groton, CT

Mystic River

Station Name: MYSTIC RIVER AT RAM ISLAND YACHT CLUB AT NOANK, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
54 Front St
Noank, CT 06340
New London County

GPS Coordinates: 41.32768056, -71.9841611

Nearby Water Temperatures

Mystic Harbor, Mystic, CT (1.5 mi)
Mystic River, Mystic, CT (2.5 mi)
Mystic River, Old Mystic, CT (3.6 mi)
Thames River, Groton, CT (5.3 mi)
Thames River, New London, CT (6.5 mi)
Pawcatuck River, Westerly, RI (8.7 mi)
Yantic River, Norwich, CT (17.5 mi)
Connecticut River, Old Lyme, CT (18.8 mi)
Fort Pond Bay, Montauk, NY (19.3 mi)
East Branch Eightmile River, Lyme, CT (19.4 mi)
Eightmile River, East Haddam, CT (19.7 mi)
Orient Harbor, Orient, NY (21.3 mi)
Connecticut River, Middletown, CT (33 mi)
Natchaug River, Chaplin, CT (34.3 mi)
Great Harbor, North Kingstown, RI (34.7 mi)

Weather for Noank, Connecticut

Current Weather

60.1°F
Mist
Mist
60.1°F
58.9°F
93%
SW 7.8 mph
16.4 mph
59.7°F
57.2°F
0 in
0%
8 mi
1019 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 83°F
L: 58°F
Moderate rain
Wed
H: 74°F
L: 59°F
Partly Cloudy
Thu
H: 62°F
L: 53°F
Sunny
Fri
H: 59°F
L: 48°F
Patchy rain nearby
Sat
H: 56°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 13.65 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 7.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:44 AM
Sunset: 8:04 PM
Daylight: 14 hrs 39 mins
Moonrise: 7:38 AM
Moon Transit: 3:47 PM
Moonset: 11:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
3:17 PM - 5:47 PM

Minor Periods

12:00 AM - 12:00 AM
7:08 AM - 8:38 AM

Action Rating: 3 out of 5

Air Quality Alert issued May 18 at 11:35PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 11:35 PM
Expires: Tue May 19, 2026, 11:00 PM

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex. from 11 AM to 11 PM EDT Tuesday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Air Quality Alert issued May 18 at 11:21PM EDT by NWS Boston/Norton MA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 11:21 PM
Expires: Tue May 19, 2026, 11:15 PM

The Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/environmental-protection-bureau/air- resources/air-quality-forecast


Heat Advisory issued May 18 at 12:57PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Mon May 18, 2026, 12:57 PM
Expires: Tue May 19, 2026, 7:00 AM

* WHAT...Heat index values up to 96 expected. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...From 11 AM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures, a moderate degree of humidity with little relief Tuesday night may cause heat illnesses. * ADDITIONAL DETAILS...This is the first multi-day period of hot temperatures. Those not yet accustomed to hot temperatures with a moderate degree of humidity should take appropriate heat-related precautions.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives, neighbors and pets. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued May 19 at 1:59AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue May 19, 2026, 1:59 AM
Expires: Tue May 19, 2026, 5:00 PM

* WHAT...Heat index values up to 96 expected. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...From 11 AM this morning to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures, a moderate degree of humidity with little relief Tuesday night may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Air Quality Alert issued May 18 at 11:21PM EDT by NWS Boston/Norton MA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 11:21 PM
Expires: Tue May 19, 2026, 11:15 PM

The Connecticut Department of Environmental Protection has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection website at: https://portal.ct.gov/deep


Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
83.3°F
58.1°F
67.9°F
85%
0.01 in
89%
0%
15.4 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 11.93 μg/m3
PM10: 15.78 μg/m3
Carbon Monoxide: 154.13 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 104.56 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:44 AM
Sunset: 8:04 PM
Daylight: 14 hrs 39 mins
Moonrise: 7:38 AM
Moon Transit: 3:47 PM
Moonset: 11:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
3:17 PM - 5:47 PM

Minor Periods

12:00 AM - 12:00 AM
7:08 AM - 8:38 AM

Action Rating: 3 out of 5

Wednesday, May 20, 2026

Weather Forecast

Moderate rain
74.4°F
58.8°F
65.2°F
82%
0.22 in
87%
0%
15.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 12.48 μg/m3
PM10: 15.62 μg/m3
Carbon Monoxide: 152.61 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 112.8 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:44 AM
Sunset: 8:05 PM
Daylight: 14 hrs 40 mins
Moonrise: 8:55 AM
Moon Transit: 4:50 PM
Moonset: 12:50 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
4:20 PM - 6:50 PM

Minor Periods

8:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Partly Cloudy
61.8°F
52.5°F
57.2°F
62%
0 in
0%
0%
9.8 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 5.66 μg/m3
PM10: 6.07 μg/m3
Carbon Monoxide: 145.19 μg/m3
Nitrogen Dioxide: 9 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 67.96 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:44 AM
Sunset: 8:06 PM
Daylight: 14 hrs 42 mins
Moonrise: 10:12 AM
Moon Transit: 5:46 PM
Moonset: 12:34 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:18 AM - 9:48 AM
5:16 PM - 7:46 PM

Minor Periods

9:42 AM - 11:12 AM
12:04 AM - 1:34 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
59.2°F
47.6°F
54.3°F
66%
0 in
0%
0%
10.7 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.06 μg/m3
PM10: 12.24 μg/m3
Carbon Monoxide: 158.28 μg/m3
Nitrogen Dioxide: 6.78 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 75.28 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:44 AM
Sunset: 8:07 PM
Daylight: 14 hrs 44 mins
Moonrise: 11:27 AM
Moon Transit: 6:37 PM
Moonset: 1:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
6:07 PM - 8:37 PM

Minor Periods

10:57 AM - 12:27 AM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
55.7°F
52°F
53.8°F
79%
0.02 in
88%
0%
8.5 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 10.88 μg/m3
PM10: 16.01 μg/m3
Carbon Monoxide: 132.31 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 85.62 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:44 AM
Sunset: 8:08 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:38 AM
Moon Transit: 7:23 PM
Moonset: 1:33 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
6:53 PM - 9:23 PM

Minor Periods

12:08 AM - 1:38 PM
1:03 AM - 2:33 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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