Water Temperature of Mystic Harbor in Mystic, CT
Current Water Temperature
Measurement Time: Wednesday, April 5, 2023, 7:54 AM EDT
Temperature Locations
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Local Points of Interest
Mason IslandStation Name: MYSTIC HARBOR AT SAFE HARBOR MARINA NR MYSTIC, CT
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 0 feet
Nearest Address:
99 Roseleah Dr
Mystic, CT 06355
New London County
GPS Coordinates: 41.3464722, -71.9688611
Nearby Water Temperatures
Mystic River, Mystic, CT (1 mi)Mystic River, Noank, CT (1.5 mi)
Mystic River, Old Mystic, CT (2.2 mi)
Thames River, Groton, CT (5.9 mi)
Thames River, New London, CT (6.8 mi)
Pawcatuck River, Westerly, RI (7.5 mi)
Yantic River, Norwich, CT (16.7 mi)
Connecticut River, Old Lyme, CT (19.7 mi)
East Branch Eightmile River, Lyme, CT (19.8 mi)
Eightmile River, East Haddam, CT (20 mi)
Fort Pond Bay, Montauk, NY (20.6 mi)
Orient Harbor, Orient, NY (22.8 mi)
Connecticut River, Middletown, CT (33.1 mi)
Natchaug River, Chaplin, CT (33.2 mi)
Great Harbor, North Kingstown, RI (33.4 mi)
Weather for Mystic, Connecticut
Current Weather

Five Day Weather Forecast

Sat
H: 84°F
L: 58°F

Sun
H: 78°F
L: 61°F

Mon
H: 70°F
L: 54°F

Tue
H: 74°F
L: 58°F

Wed
H: 75°F
L: 61°F
Air Quality
Nitrogen Dioxide: 6 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 135 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:19 PM
Daylight: 15 hrs 4 mins
Moon Transit: 5:27 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM7:48 PM - 10:18 PM
Minor Periods
10:16 AM - 11:46 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Air Quality Alert issued June 5 at 10:59PM EDT by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Fri June 5, 2026, 10:59 PM
Expires: Sat June 6, 2026, 11:00 PM
The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven, Southern Middlesex, Southern New London. from 11 AM to 11 PM EDT Saturday. 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 June 5 at 10:59PM EDT by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Fri June 5, 2026, 10:59 PM
Expires: Sat June 6, 2026, 11:00 PM
The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Northern Fairfield, Northern New Haven, Northern Middlesex, Northern New London. from 11 AM to 11 PM EDT Saturday. 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 June 6 at 2:46AM EDT by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Sat June 6, 2026, 2:46 AM
Expires: Sat June 6, 2026, 11:00 PM
The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Northern Fairfield, Northern New Haven, Northern Middlesex, Northern New London. from 11 AM this morning to 11 PM EDT this evening. 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 June 6 at 2:46AM EDT by NWS Upton NY
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Sat June 6, 2026, 2:46 AM
Expires: Sat June 6, 2026, 11:00 PM
The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven, Southern Middlesex, Southern New London. from 11 AM this morning to 11 PM EDT this evening. 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
Special Weather Statement issued June 6 at 8:16PM EDT by NWS Upton NY
Effective: Sat June 6, 2026, 8:16 PM
Expires: Sat June 6, 2026, 9:00 PM
At 815 PM EDT, Doppler radar was tracking a strong thunderstorm near Bozrah, or near Salem, moving east at 35 mph. HAZARD...Winds in excess of 30 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include... Jewett City, Norwich, New London, Colchester, Groton, Salem, Mystic, Waterford, East Lyme, Ledyard, Griswold, East Haddam, Lebanon, Preston, and Lisbon.
If outdoors, consider seeking shelter inside a building.
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 140.29 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:19 PM
Daylight: 15 hrs 4 mins
Moon Transit: 5:27 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM7:48 PM - 10:18 PM
Minor Periods
10:16 AM - 11:46 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 93.21 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:19 PM
Daylight: 15 hrs 5 mins
Moon Transit: 6:11 AM
Moonset: 11:51 AM
Moon Phase: Last Quarter
Moon Illumination: 42.6%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM8:31 PM - 11:01 PM
Minor Periods
11:21 AM - 12:51 AM12:11 AM - 1:41 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 79.71 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:20 PM
Daylight: 15 hrs 5 mins
Moon Transit: 6:54 AM
Moonset: 12:58 AM
Moon Phase: Last Quarter
Moon Illumination: 31.6%
Best Times for Fishing or Hunting
Major Periods
6:24 AM - 8:54 AM9:15 PM - 11:45 PM
Minor Periods
12:28 AM - 1:58 PM12:33 AM - 2:03 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 74.67 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:20 PM
Daylight: 15 hrs 6 mins
Moon Transit: 6:27 AM
Moonset: 2:06 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%
Best Times for Fishing or Hunting
Major Periods
5:57 AM - 8:27 AM5:57 AM - 8:27 AM
Minor Periods
1:36 PM - 3:06 PM12:53 AM - 2:23 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 79.79 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:21 PM
Daylight: 15 hrs 7 mins
Moon Transit: 8:25 AM
Moonset: 3:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
7:55 AM - 10:25 AM12:00 AM - 12:00 AM
Minor Periods
2:48 PM - 4:18 PM1:16 AM - 2:46 AM
Action Rating: 2 out of 5
