Water Temperature of Mystic Harbor in Mystic, CT
Current Water Temperature
Measurement Time: Wednesday, April 5, 2023, 8:00 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

Thu
H: 49°F
L: 32°F

Fri
H: 37°F
L: 15°F

Sat
H: 17°F
L: 7°F

Sun
H: 17°F
L: 14°F

Mon
H: 27°F
L: 19°F
Air Quality
Nitrogen Dioxide: 14.85 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:52 PM
Daylight: 9 hrs 45 mins
Moon Transit: 12:00 AM
Moonset: 9:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:38 AM - 7:08 AM
Minor Periods
8:38 PM - 10:08 PM8:38 AM - 10:08 AM
Action Rating: 3 out of 5
Winter Storm Watch issued January 22 at 12:26PM EST until January 26 at 6:00PM EST by NWS Upton NY
Effective: Thu January 22, 2026, 12:26 PM
Expires: Thu January 22, 2026, 8:30 PM
* WHAT...Heavy snow possible. Precipitation could mix with sleet and freezing rain for a time Sunday night especially closer to the coast. Potential for snow accumulation of 6 to 12 inches, with localized accumulations over 12 inches possible. * WHERE...All of southeast New York, northeast New Jersey, and southern Connecticut. * WHEN...From late Saturday night through Monday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below one quarter mile in heavy snow.
Persons should consider delaying all travel from Sunday into Monday. If travel is absolutely necessary, drive with extreme caution. Make sure your car is winterized and in good working order. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
Cold Weather Advisory issued January 22 at 1:07PM EST until January 24 at 10:00AM EST by NWS Upton NY
Effective: Thu January 22, 2026, 1:07 PM
Expires: Fri January 23, 2026, 6:00 AM
* WHAT...Very cold wind chills around 10 below expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures for any prolonged period of time.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Cold Weather Advisory issued January 22 at 11:48AM EST until January 24 at 10:00AM EST by NWS Boston/Norton MA
Effective: Thu January 22, 2026, 11:48 AM
Expires: Fri January 23, 2026, 7:00 AM
* WHAT...Very cold wind chills as low as 20 below expected. * WHERE...Much of Southern New England excluding Cape Cod and the Islands and the eastern slopes of the Berkshires. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Winter Storm Watch issued January 22 at 11:44AM EST until January 26 at 7:00PM EST by NWS Boston/Norton MA
Effective: Thu January 22, 2026, 11:44 AM
Expires: Fri January 23, 2026, 7:00 AM
* WHAT...Heavy snow possible. Potential for snow accumulations between 6 and 12 inches, with localized accumulations over 12 inches possible. * WHERE...Southern New England. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Monday morning and evening commutes. Travel during the Monday morning commute is likely to be very difficult.
Monitor the latest forecasts for updates on this situation. Persons should delay all travel if possible. Travel Sunday afternoon to Monday morning is likely to become very difficult. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.64 μg/m3
Sulphur Dioxide: 3.88 μg/m3
Ozone: 74.12 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:52 PM
Daylight: 9 hrs 45 mins
Moon Transit: 12:00 AM
Moonset: 9:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:38 AM - 7:08 AM
Minor Periods
8:38 PM - 10:08 PM8:38 AM - 10:08 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.49 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 72.6 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:53 PM
Daylight: 9 hrs 46 mins
Moon Transit: 9:54 AM
Moonset: 10:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
5:23 AM - 7:53 AM9:24 AM - 11:54 AM
Minor Periods
9:47 PM - 11:17 PM8:59 AM - 10:29 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 73.28 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:54 PM
Daylight: 9 hrs 48 mins
Moon Transit: 4:32 PM
Moonset: 11:28 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
6:08 AM - 8:38 AM4:02 PM - 6:32 PM
Minor Periods
12:00 AM - 12:00 AM9:21 AM - 10:51 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 70.64 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:56 PM
Daylight: 9 hrs 50 mins
Moon Transit: 5:22 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
6:56 AM - 9:26 AM4:52 PM - 7:22 PM
Minor Periods
9:46 AM - 11:16 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 77.77 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:57 PM
Daylight: 9 hrs 52 mins
Moon Transit: 6:15 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
7:47 AM - 10:17 AM5:45 PM - 8:15 PM
Minor Periods
10:15 AM - 11:45 AM12:13 AM - 1:43 AM
Action Rating: 2 out of 5
