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

86.7°F
Sunny
Sunny
89.2°F
98.8°F
57%
SW 14.5 mph
26.4 mph
92.1°F
69.6°F
0 in
0%
9 mi
1014 mbar
8.5

Five Day Weather Forecast

Sunny
Tue
H: 94°F
L: 69°F
Sunny
Wed
H: 86°F
L: 73°F
Sunny
Thu
H: 81°F
L: 70°F
Sunny
Fri
H: 82°F
L: 66°F
Patchy rain nearby
Sat
H: 75°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 18 μg/m3
PM10: 22.1 μg/m3
Carbon Monoxide: 170 μg/m3
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 151 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:53 AM
Sunset: 8:21 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:19 AM
Moon Transit: 1:14 PM
Moonset: 8:57 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
12:44 AM - 3:14 PM

Minor Periods

8:27 PM - 9:57 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Small Craft Advisory issued July 14 at 2:34AM EDT until July 15 at 2:00AM EDT by NWS Upton NY

Effective: Tue July 14, 2026, 2:34 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt. * WHERE...The south shore and eastern bays of Long Island, and Long Island Sound East of the Mouth of the Connecticut River. * WHEN...From 2 PM this afternoon to 2 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Heat Advisory issued July 14 at 2:06AM EDT until July 15 at 9:00PM EDT by NWS Upton NY

Effective: Tue July 14, 2026, 2:06 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Heat index values up to 101 expected. * WHERE...Southwest Suffolk County. * WHEN...From 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Heat Advisory issued July 14 at 2:06AM EDT until July 15 at 9:00PM EDT by NWS Upton NY

Effective: Tue July 14, 2026, 2:06 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Heat index values up to 102 expected. * WHERE...Northwest Suffolk County. * WHEN...From 11 AM this morning to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Heat Advisory issued July 14 at 2:06AM EDT until July 15 at 9:00PM EDT by NWS Upton NY

Effective: Tue July 14, 2026, 2:06 AM
Expires: Tue July 14, 2026, 4:00 PM

* WHAT...Heat index values up to 100 expected. * WHERE...Northeast Suffolk and Southeast Suffolk Counties. * WHEN...From 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Heat Advisory issued July 14 at 4:31AM EDT until July 15 at 9:00PM EDT by NWS Upton NY

Effective: Tue July 14, 2026, 4:31 AM
Expires: Tue July 14, 2026, 4:15 PM

* WHAT...Heat index values up to 103 expected. * WHERE...Northeast Suffolk, Southeast Suffolk, and Southwest Suffolk Counties. * WHEN...From 11 AM to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Tuesday, July 14, 2026

Weather Forecast

Sunny
93.9°F
68.7°F
79.3°F
64%
0 in
4%
0%
20.4 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 13.08 μg/m3
PM10: 16.39 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 106.96 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:53 AM
Sunset: 8:21 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:19 AM
Moon Transit: 1:14 PM
Moonset: 8:57 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
12:44 AM - 3:14 PM

Minor Periods

8:27 PM - 9:57 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
85.7°F
72.8°F
79.4°F
65%
0 in
5%
0%
14.1 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 8.96 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 162.13 μg/m3
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 113.42 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:54 AM
Sunset: 8:20 PM
Daylight: 14 hrs 52 mins
Moonrise: 6:41 AM
Moon Transit: 2:13 PM
Moonset: 9:31 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
1:43 PM - 4:13 PM

Minor Periods

9:01 PM - 10:31 PM
6:11 AM - 7:41 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
80.7°F
69.5°F
75.6°F
60%
0 in
4%
0%
13.2 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 12.9 μg/m3
PM10: 15.22 μg/m3
Carbon Monoxide: 167.42 μg/m3
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 113.13 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:54 AM
Sunset: 8:19 PM
Daylight: 14 hrs 51 mins
Moonrise: 8:00 AM
Moon Transit: 3:06 PM
Moonset: 9:59 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
2:36 PM - 5:06 PM

Minor Periods

9:29 PM - 10:59 PM
7:30 AM - 9:00 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
81.5°F
66.1°F
73.9°F
57%
0 in
4%
0%
10.3 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 7.68 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 155.37 μg/m3
Nitrogen Dioxide: 4.61 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 106.67 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:54 AM
Sunset: 8:19 PM
Daylight: 14 hrs 49 mins
Moonrise: 9:15 AM
Moon Transit: 3:55 PM
Moonset: 10:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
3:25 PM - 5:55 PM

Minor Periods

9:53 PM - 11:23 PM
8:45 AM - 10:15 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Patchy rain nearby
74.5°F
67.6°F
69.5°F
84%
0.29 in
82%
0%
13.9 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 11.14 μg/m3
PM10: 14.59 μg/m3
Carbon Monoxide: 165.89 μg/m3
Nitrogen Dioxide: 6.91 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 98.89 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:54 AM
Sunset: 8:18 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:26 AM
Moon Transit: 4:40 PM
Moonset: 10:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
4:10 PM - 6:40 PM

Minor Periods

10:15 PM - 11:45 PM
9:56 AM - 11:26 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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