Water Temperature of the Thames River in New London, CT

Current Water Temperature

54.9°F

Measurement Time: Saturday, May 30, 2026, 7:30 PM EDT

Today's Tides

Low: May 30, 4:00 AM, 0.2 ft
 High: May 30, 9:39 AM, 2.3 ft
Low: May 30, 3:49 PM, 0.7 ft
 High: May 30, 9:46 PM, 3.1 ft

Temperature Locations

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Local Points of Interest

Riverside Park; Groton, CT

Thames River

Station Name: New London
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 26 feet

Sensor Depth: -3 feet

Nearest Address:
United States Coast Guard Academy
New London, CT 06320
New London County

GPS Coordinates: 41.3717, -72.095525

Nearby Water Temperatures

Thames River, Groton, CT (1.7 mi)
Mystic River, Noank, CT (6.5 mi)
Mystic River, Mystic, CT (6.7 mi)
Mystic Harbor, Mystic, CT (6.8 mi)
Mystic River, Old Mystic, CT (6.9 mi)
East Branch Eightmile River, Lyme, CT (13 mi)
Yantic River, Norwich, CT (13 mi)
Eightmile River, East Haddam, CT (13.2 mi)
Connecticut River, Old Lyme, CT (13.6 mi)
Pawcatuck River, Westerly, RI (13.6 mi)
Orient Harbor, Orient, NY (19.6 mi)
Fort Pond Bay, Montauk, NY (23.4 mi)
Connecticut River, Middletown, CT (26.4 mi)
Natchaug River, Chaplin, CT (30.7 mi)
Hemlock Brook, Foster, RI (35.5 mi)

Weather for New London, Connecticut

Current Weather

51.1°F
Sunny
Sunny
47.4°F
51.1°F
62%
NNE 15.9 mph
20 mph
47.4°F
43.2°F
0 in
4%
6 mi
1017 mbar
0.3

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 53°F
L: 46°F
Patchy rain nearby
Sun
H: 66°F
L: 42°F
Patchy rain nearby
Mon
H: 63°F
L: 49°F
Sunny
Tue
H: 64°F
L: 45°F
Sunny
Wed
H: 68°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 131.85 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:46 AM
Sunset: 8:14 PM
Daylight: 14 hrs 56 mins
Moonrise: 8:09 PM
Moon Transit: 12:00 AM
Moonset: 4:19 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:07 PM - 4:37 PM

Minor Periods

7:39 PM - 9:09 PM
3:49 AM - 5:19 AM

Action Rating: 4 out of 5

Wind Advisory issued May 30 at 2:52AM EDT until May 30 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Sat May 30, 2026, 2:52 AM
Expires: Sat May 30, 2026, 8:00 PM

* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of central, eastern, northeastern, and southeastern Massachusetts and northern and southern Rhode Island. * WHEN...From 8 AM this morning to 8 PM EDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Saturday, May 30, 2026

Weather Forecast

Patchy rain nearby
53.1°F
45.5°F
51.7°F
71%
0.01 in
85%
0%
29.3 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 4.14 μg/m3
PM10: 4.98 μg/m3
Carbon Monoxide: 139.39 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 81.75 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:46 AM
Sunset: 8:14 PM
Daylight: 14 hrs 56 mins
Moonrise: 8:09 PM
Moon Transit: 12:00 AM
Moonset: 4:19 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:07 PM - 4:37 PM

Minor Periods

7:39 PM - 9:09 PM
3:49 AM - 5:19 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Patchy rain nearby
65.7°F
42.1°F
55.1°F
67%
0.02 in
88%
0%
9.8 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 5.06 μg/m3
PM10: 6.28 μg/m3
Carbon Monoxide: 119.55 μg/m3
Nitrogen Dioxide: 3.07 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 81.29 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:46 AM
Sunset: 8:15 PM
Daylight: 14 hrs 57 mins
Moonrise: 9:07 PM
Moon Transit: 12:34 AM
Moonset: 4:56 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
2:57 PM - 5:27 PM

Minor Periods

8:37 PM - 10:07 PM
4:26 AM - 5:56 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
63.3°F
49.4°F
57.2°F
74%
0.13 in
84%
0%
12.1 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 10.58 μg/m3
PM10: 14.33 μg/m3
Carbon Monoxide: 133.72 μg/m3
Nitrogen Dioxide: 4.76 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 92.08 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:46 AM
Sunset: 8:16 PM
Daylight: 14 hrs 59 mins
Moonrise: 10:00 PM
Moon Transit: 1:25 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
3:49 PM - 6:19 PM

Minor Periods

9:30 PM - 11:00 PM
5:11 AM - 6:41 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Sunny
63.5°F
44.9°F
55.2°F
65%
0 in
0%
0%
10.1 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 11.42 μg/m3
PM10: 15.62 μg/m3
Carbon Monoxide: 148.93 μg/m3
Nitrogen Dioxide: 4.52 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 85.5 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:46 AM
Sunset: 8:17 PM
Daylight: 15 hrs mins
Moonrise: 10:45 PM
Moon Transit: 2:16 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
4:40 PM - 7:10 PM

Minor Periods

10:15 PM - 11:45 PM
6:05 AM - 7:35 AM

Action Rating: 3 out of 5

Wednesday, June 3, 2026

Weather Forecast

Sunny
68.3°F
52.1°F
59.7°F
69%
0 in
0%
0%
11.2 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 8.41 μg/m3
PM10: 12.23 μg/m3
Carbon Monoxide: 116.78 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 86.44 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:46 AM
Sunset: 8:17 PM
Daylight: 15 hrs 1 mins
Moonrise: 11:21 PM
Moon Transit: 3:07 AM
Moonset: 7:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
5:30 PM - 8:00 PM

Minor Periods

12:00 AM - 12:00 AM
7:04 AM - 8:34 AM

Action Rating: 4 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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