Water Temperature of the Pawcatuck River in Westerly, RI

Current Water Temperature

76.5°F 24.7°C
Comfortable Ideal for Swimming
76.5°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Monday, August 24, 2020, 11:30 PM EDT

Temperature Locations

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Local Points of Interest

Pawcatuck, CT

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Pawcatuck River

Station Name: PAWCATUCK RIVER AT WESTERLY, RI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 16 feet

Nearest Address:
48 Canal St
Westerly, RI 02891
Washington County

GPS Coordinates: 41.38371065, -71.8331247

Nearby Water Temperatures

Mystic River, Old Mystic, CT (6.8 mi)
Mystic River, Mystic, CT (7.1 mi)
Mystic Harbor, Mystic, CT (7.5 mi)
Mystic River, Noank, CT (8.7 mi)
Thames River, Groton, CT (13.1 mi)
Thames River, New London, CT (13.6 mi)
Yantic River, Norwich, CT (19.2 mi)
Fort Pond Bay, Montauk, NY (24.1 mi)
Great Harbor, North Kingstown, RI (26 mi)
East Branch Eightmile River, Lyme, CT (26.2 mi)
Eightmile River, East Haddam, CT (26.2 mi)
Connecticut River, Old Lyme, CT (27 mi)
Narragansett Bay, Newport, RI (27.5 mi)
Wilbur Hollow Brook, Clayville, RI (28.2 mi)
Bear Tree Brook, Clayville, RI (28.7 mi)

Marine Weather for the Pawcatuck River in Westerly, RI

Marine Weather

Coastal & Marine Conditions
Open-Meteo Marine
4.5ft 1.4 m
Moderate Chop Noticeable waves and spray. Small craft exercise standard caution.
Wave Period 4.9s
Wave Direction 103° ESE
Swell Waves
2.4 ft
4.9s • 127° SE
Wind Waves / Chop
3.6 ft
3.8s • 75° ENE
Ocean Current
1.1 mph
1 kn • 270° W
Sea Surface Temp
59.2°F
Equivalent: 15.1°C

High & Low Tide Forecast

Falling (Ebb)
Next Tide: Low 10:00 PM (-1.3 ft)
0.0 ft (MSL) Wed, Nov 11 12 AM 6 AM 12 PM 6 PM 12 AM 6 AM Thu, Nov 12 Fri, Nov 13 ▼ Low 9:00 PM -2.4 ft ▲ High 5:00 AM +0.7 ft ▼ Low 9:00 AM -1.6 ft ▲ High 11:00 AM -1.4 ft ▲ High 5:00 PM +0.8 ft ▼ Low 10:00 PM -1.3 ft ▲ High 5:00 AM +1.0 ft NOW
Low Tide Wed, Nov 11
9:00 PM
-2.4 ft (-0.72 m)
High Tide Thu, Nov 12
5:00 AM
+0.7 ft (0.22 m)
Low Tide Thu, Nov 12
9:00 AM
-1.6 ft (-0.48 m)
High Tide Thu, Nov 12
11:00 AM
-1.4 ft (-0.44 m)
Open-Meteo Tidal Model (Mean Sea Level MSL datum) • Times in station local timezone.

5-Day Marine Wave Forecast

Today
Nov 12
5.0 ft
7.5s • SE
Fri
Nov 13
5.2 ft
6.1s • E
Sat
Nov 14
2.9 ft
6.1s • SSE
Sun
Nov 15
2.0 ft
3.9s • W
Mon
Nov 16
1.4 ft
4s • W

Weather for Westerly, Rhode Island

Current Weather

46.6°F
Moderate Rain
Conditions: Moderate Rain
Humidity: 86%
Feels Like: 39.6°F
Wind: ENE 12.6 mph
Wind Gusts: 31.8 mph
Pressure: 29.53 in
Precipitation: 0.03 in
Cloud Cover: 100%
Visibility: 2.4 mi
UV Index: 0

Five-Day Weather Forecast

Moderate Rain
Thu
H: 57°F
L: 41°F
Light Drizzle
Fri
H: 45°F
L: 39°F
Overcast
Sat
H: 46°F
L: 35°F
Overcast
Sun
H: 47°F
L: 35°F
Sunny
Mon
H: 50°F
L: 33°F

Air Quality

EPA Index 1 • Good

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

PM2.5
3.2 μg/m³
Good
PM10
5.1 μg/m³
Good
Ozone (O3)
80 μg/m³
Photochemical
NO2
1.6 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
137 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:33 AM
Solar Noon 11:31 AM
Sunset 4:31 PM
Moon
Waxing Crescent • 6%
Moonrise 9:59 AM
Transit 2:16 PM
Moonset 6:36 PM

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
1:46 PM - 4:16 PM

Minor Periods

9:29 AM - 10:59 AM
6:06 PM - 7:36 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Moderate Rain
Average Temperature: 48°F
Average Humidity: 79%
Chance of Rain: 97%
Wind: 14.7 mph
UV Index: 3

Air Quality

EPA Index 1 • Good
PM2.5
4.8 μg/m³
Good
PM10
7.5 μg/m³
Good
Ozone (O3)
79 μg/m³
Photochemical
NO2
1.6 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
171 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:33 AM
Solar Noon 11:31 AM
Sunset 4:31 PM
Moon
Waxing Crescent • 6%
Moonrise 9:59 AM
Transit 2:16 PM
Moonset 6:36 PM

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
1:46 PM - 4:16 PM

Minor Periods

9:29 AM - 10:59 AM
6:06 PM - 7:36 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 42.1°F
Average Humidity: 86%
Chance of Rain: 64%
Wind: 13 mph
UV Index: 0.5

Air Quality

EPA Index 1 • Good
PM2.5
1.4 μg/m³
Good
PM10
1.6 μg/m³
Good
Ozone (O3)
69.8 μg/m³
Photochemical
NO2
3.9 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
143.1 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 56m daylight
Sunrise 6:34 AM
Solar Noon 11:31 AM
Sunset 4:30 PM
Moon
Waxing Crescent • 13%
Moonrise 10:45 AM
Transit 3:07 PM
Moonset 7:33 PM

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
2:37 PM - 5:07 PM

Minor Periods

10:15 AM - 11:45 AM
7:03 PM - 8:33 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 39°F
Average Humidity: 74%
Chance of Rain: 4%
Wind: 9.8 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
1.2 μg/m³
Good
PM10
1.2 μg/m³
Good
Ozone (O3)
59.8 μg/m³
Photochemical
NO2
3.1 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
137.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 54m daylight
Sunrise 6:35 AM
Solar Noon 11:31 AM
Sunset 4:29 PM
Moon
Waxing Crescent • 21%
Moonrise 11:23 AM
Transit 3:56 PM
Moonset 8:35 PM

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
3:26 PM - 5:56 PM

Minor Periods

10:53 AM - 12:23 PM
8:05 PM - 9:35 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 39.2°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
0.7 μg/m³
Good
PM10
0.7 μg/m³
Good
Ozone (O3)
60 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
130.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 52m daylight
Sunrise 6:36 AM
Solar Noon 11:31 AM
Sunset 4:28 PM
Moon
Waxing Crescent • 31%
Moonrise 11:54 AM
Transit 4:42 PM
Moonset 9:38 PM

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
4:12 PM - 6:42 PM

Minor Periods

11:24 AM - 12:54 PM
9:08 PM - 10:38 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 39.4°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
1.7 μg/m³
Good
PM10
1.8 μg/m³
Good
Ozone (O3)
63 μg/m³
Photochemical
NO2
3.8 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
143.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 50m daylight
Sunrise 6:37 AM
Solar Noon 11:32 AM
Sunset 4:27 PM
Moon
First Quarter • 42%
Moonrise 12:21 PM
Transit 5:27 PM
Moonset 10:42 PM

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
4:57 PM - 7:27 PM

Minor Periods

11:51 AM - 1:21 PM
10:12 PM - 11:42 PM
Action Rating:
Very Good 4/5
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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