Water Temperature of the Eightmile River in East Haddam, CT

Current Water Temperature

58.3°F 14.6°C
Cold Thermal Gear Required
58.3°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Wednesday, October 13, 2021, 8:15 AM EDT

Temperature Locations

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Local Points of Interest

Strongs Brook

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Eightmile River

Station Name: EIGHTMILE RIVER AT NORTH PLAIN, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 76 feet

Nearest Address:
200 Norwich Salem Rd
East Haddam, CT 06423
Middlesex County

GPS Coordinates: 41.44166944, -72.33267778

Nearby Water Temperatures

East Branch Eightmile River, Lyme, CT (1 mi)
Connecticut River, Old Lyme, CT (8.9 mi)
Thames River, New London, CT (13.2 mi)
Connecticut River, Middletown, CT (13.3 mi)
Yantic River, Norwich, CT (13.6 mi)
Thames River, Groton, CT (14.5 mi)
Mystic River, Old Mystic, CT (19.6 mi)
Mystic River, Noank, CT (19.7 mi)
Mystic River, Mystic, CT (19.7 mi)
Mystic Harbor, Mystic, CT (20 mi)
Orient Harbor, Orient, NY (21.1 mi)
Pawcatuck River, Westerly, RI (26.2 mi)
Quinnipiac River, Wallingford, CT (26.3 mi)
Natchaug River, Chaplin, CT (28.4 mi)
North Branch Park River, Hartford, CT (30.6 mi)

Marine Weather for the Eightmile River in East Haddam, CT

Marine Weather

Coastal & Marine Conditions
Open-Meteo Marine
1.1ft 0.3 m
Light Chop Gentle waves and light chop, ideal for water activities.
Wave Period 3.1s
Wave Direction 278° W
Swell Waves
0.7 ft
2.9s • 252° WSW
Wind Waves / Chop
0.9 ft
2.1s • 309° NW
Ocean Current
0.8 mph
0.7 kn • 90° E
Sea Surface Temp
55.2°F
Equivalent: 12.9°C

High & Low Tide Forecast

Rising (Flood)
Next Tide: High 8:00 AM (+0.3 ft)
0.0 ft (MSL) Sat, Nov 14 12 AM 6 AM 12 PM 6 PM 12 AM 6 AM Sun, Nov 15 Mon, Nov 16 ▲ High 8:00 PM +0.1 ft ▼ Low 2:00 AM -2.9 ft ▲ High 8:00 AM +0.3 ft ▼ Low 3:00 PM -3.2 ft ▲ High 9:00 PM -0.1 ft ▼ Low 3:00 AM -3.0 ft NOW
High Tide Sat, Nov 14
8:00 PM
+0.1 ft (0.03 m)
Low Tide Sun, Nov 15
2:00 AM
-2.9 ft (-0.87 m)
High Tide Sun, Nov 15
8:00 AM
+0.3 ft (0.08 m)
Low Tide Sun, Nov 15
3:00 PM
-3.2 ft (-0.98 m)
Open-Meteo Tidal Model (Mean Sea Level MSL datum) • Times in station local timezone.

5-Day Marine Wave Forecast

Today
Nov 15
1.3 ft
3.2s • WNW
Mon
Nov 16
0.7 ft
3.9s • NW
Tue
Nov 17
1.0 ft
5.2s • S
Wed
Nov 18
1.2 ft
3.4s • SW
Thu
Nov 19
0.8 ft
4.8s • SSW

Weather for East Haddam, Connecticut

Current Weather

33.4°F
Clear
Conditions: Clear
Humidity: 83%
Feels Like: 27.3°F
Wind: NW 4.3 mph
Wind Gusts: 10.9 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10.4 mi
UV Index: 0

Five-Day Weather Forecast

Overcast
Sun
H: 47°F
L: 33°F
Overcast
Mon
H: 46°F
L: 33°F
Mainly Sunny
Tue
H: 55°F
L: 32°F
Sunny
Wed
H: 59°F
L: 40°F
Overcast
Thu
H: 60°F
L: 42°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
1.1 μg/m³
Good
PM10
1.1 μg/m³
Good
Ozone (O3)
54 μg/m³
Photochemical
NO2
4.7 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
132 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 52m daylight
Sunrise 6:38 AM
Solar Noon 11:33 AM
Sunset 4:30 PM
Moon
Waxing Crescent • 31%
Moonrise 11:57 AM
Transit 4:44 PM
Moonset 9:40 PM

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
4:14 PM - 6:44 PM

Minor Periods

11:27 AM - 12:57 PM
9:10 PM - 10:40 PM
Action Rating:
Very Good 4/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 39.4°F
Average Humidity: 74%
Chance of Rain: 1%
Wind: 11.8 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
1.8 μg/m³
Good
PM10
1.8 μg/m³
Good
Ozone (O3)
52.9 μg/m³
Photochemical
NO2
5.1 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
132.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 52m daylight
Sunrise 6:38 AM
Solar Noon 11:33 AM
Sunset 4:30 PM
Moon
Waxing Crescent • 31%
Moonrise 11:57 AM
Transit 4:44 PM
Moonset 9:40 PM

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
4:14 PM - 6:44 PM

Minor Periods

11:27 AM - 12:57 PM
9:10 PM - 10:40 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 37.9°F
Average Humidity: 80%
Chance of Rain: 1%
Wind: 9.6 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
3.3 μg/m³
Good
PM10
3.4 μg/m³
Good
Ozone (O3)
52.6 μg/m³
Photochemical
NO2
10 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
146.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 49m daylight
Sunrise 6:39 AM
Solar Noon 11:34 AM
Sunset 4:29 PM
Moon
First Quarter • 42%
Moonrise 12:23 PM
Transit 5:29 PM
Moonset 10:44 PM

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
4:59 PM - 7:29 PM

Minor Periods

11:53 AM - 1:23 PM
10:14 PM - 11:44 PM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Mainly Sunny
Average Temperature: 42.1°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 8.2 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
8.7 μg/m³
Good
PM10
9 μg/m³
Good
Ozone (O3)
44.5 μg/m³
Photochemical
NO2
15.7 μg/m³
Nitrogen Dioxide
SO2
1.3 μg/m³
Sulfur Dioxide
CO
176.4 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 48m daylight
Sunrise 6:41 AM
Solar Noon 11:34 AM
Sunset 4:28 PM
Moon
First Quarter • 54%
Moonrise 12:47 PM
Transit 6:12 PM
Moonset 11:48 PM

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
5:42 PM - 8:12 PM

Minor Periods

12:17 PM - 1:47 PM
11:18 PM - 12:48 AM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 47.1°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 8.4 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
11 μg/m³
Good
PM10
11.1 μg/m³
Good
Ozone (O3)
40.7 μg/m³
Photochemical
NO2
21.6 μg/m³
Nitrogen Dioxide
SO2
2 μg/m³
Sulfur Dioxide
CO
211.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 46m daylight
Sunrise 6:42 AM
Solar Noon 11:34 AM
Sunset 4:27 PM
Moon
First Quarter • 65%
Moonrise 1:08 PM
Transit 6:54 PM
Moonset 1:33 AM

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
6:24 PM - 8:54 PM

Minor Periods

1:03 AM - 2:33 AM
12:38 PM - 2:08 PM
Action Rating:
Fair Action 2/5
Thursday, November 19, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 48.9°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 6.1 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
14.8 μg/m³
Moderate
PM10
15.6 μg/m³
Good
Ozone (O3)
28.3 μg/m³
Photochemical
NO2
34.7 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
356.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 6:43 AM
Solar Noon 11:34 AM
Sunset 4:27 PM
Moon
Waxing Gibbous • 75%
Moonrise 1:29 PM
Transit 12:00 PM
Moonset 12:53 AM

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
11:55 PM - 2:25 AM

Minor Periods

12:23 AM - 1:53 AM
12:59 PM - 2:29 PM
Action Rating:
Fair Action 2/5
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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