Water Temperature of the Thames River in New London, CT
Current Water Temperature
Measurement Time: Tuesday, March 17, 2026, 4:06 AM EDT
Today's Tides
Low: March 17, 3:01 AM, 0.0 ft
High: March 17, 9:03 AM, 2.7 ft
Low: March 17, 3:23 PM, -0.1 ft
High: March 17, 9:21 PM, 2.7 ft
Temperature Locations
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Local Points of Interest
Riverside Park; Groton, CTStation 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

Five Day Weather Forecast

Tue
H: 41°F
L: 32°F

Wed
H: 35°F
L: 28°F

Thu
H: 45°F
L: 31°F

Fri
H: 45°F
L: 33°F

Sat
H: 49°F
L: 34°F
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 83 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:57 PM
Daylight: 12 hrs 1 mins
Moon Transit: 11:50 AM
Moonset: 5:37 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:25 AM - 3:55 AM11:20 AM - 1:50 PM
Minor Periods
5:07 PM - 6:37 PM5:45 AM - 7:15 AM
Action Rating: 5 out of 5
Wind Advisory issued March 16 at 1:35PM EDT until March 17 at 4:00AM EDT by NWS Upton NY
Effective: Mon March 16, 2026, 1:35 PM
Expires: Tue March 17, 2026, 4:00 AM
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Locally damaging wind gusts possible with any thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Dense Fog Advisory issued March 16 at 4:38PM EDT until March 17 at 1:00AM EDT by NWS Upton NY
Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM
* WHAT...For the Wind Advisory, south winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...For the Dense Fog Advisory, until 1 AM EDT Tuesday. For the Wind Advisory, until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed. Low visibility could make driving conditions hazardous.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Wind Advisory issued March 16 at 4:38PM EDT until March 17 at 4:00AM EDT by NWS Upton NY
Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM
* WHAT...For the Wind Advisory, south winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...For the Dense Fog Advisory, until 1 AM EDT Tuesday. For the Wind Advisory, until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed. Low visibility could make driving conditions hazardous.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Wind Advisory issued March 16 at 4:38PM EDT until March 17 at 4:00AM EDT by NWS Upton NY
Effective: Mon March 16, 2026, 4:38 PM
Expires: Tue March 17, 2026, 4:00 AM
* WHAT...South winds 20 to 35 mph with gusts up to 55 mph, shifting west late tonight. Isolated gusts to 60 mph possible. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Eastern Bergen, Eastern Essex, Eastern Union, and Hudson Counties. In New York, New York (Manhattan) and Richmond (Staten Island) Counties. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Scattered tree limbs, as well as isolated trees and powerlines could be blown down. Power outages possible. Locally damaging wind gusts in excess of 60 mph are possible with any stronger thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Flood Watch issued March 16 at 3:02PM EDT until March 17 at 8:00AM EDT by NWS Upton NY
Effective: Mon March 16, 2026, 3:02 PM
Expires: Tue March 17, 2026, 8:00 AM
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southern Connecticut, including the following areas, Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, Southern Middlesex, Southern New Haven and Southern New London. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 83.2 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:57 PM
Daylight: 12 hrs 1 mins
Moon Transit: 11:50 AM
Moonset: 5:37 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:25 AM - 3:55 AM11:20 AM - 1:50 PM
Minor Periods
5:07 PM - 6:37 PM5:45 AM - 7:15 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.13 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 93.32 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:59 PM
Daylight: 12 hrs 3 mins
Moon Transit: 12:36 AM
Moonset: 6:49 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
2:11 AM - 4:41 AM12:06 AM - 2:36 PM
Minor Periods
6:19 PM - 7:49 PM6:07 AM - 7:37 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 100.52 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 12 hrs 6 mins
Moon Transit: 1:31 AM
Moonset: 8:02 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
1:01 AM - 3:31 AM1:01 AM - 3:31 AM
Minor Periods
7:32 PM - 9:02 PM6:30 AM - 8:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.1 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 89.08 μg/m3
Astronomical
Sun Transit: 10:27 AM
Sunset: 7:01 PM
Daylight: 12 hrs 9 mins
Moon Transit: 2:13 PM
Moonset: 9:18 PM
Moon Phase: New
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
3:46 AM - 6:16 AM1:43 PM - 4:13 PM
Minor Periods
8:48 PM - 10:18 PM6:53 AM - 8:23 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 94.85 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 12 hrs 12 mins
Moon Transit: 3:05 PM
Moonset: 10:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%
Best Times for Fishing or Hunting
Major Periods
4:37 AM - 7:07 AM2:35 PM - 5:05 PM
Minor Periods
10:06 PM - 11:36 PM7:20 AM - 8:50 AM
Action Rating: 4 out of 5
