Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

84.0°F

Measurement Time: Monday, September 21, 2026, 5:15 PM EDT

Temperature Locations

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Local Points of Interest

Arthur Ravenel Jr Bridge; Mount Pleasant Pier; Mount Pleasant Memorial Waterfront Park; Drum Island; Charleston, SC

Cooper River

Station Name: COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
US Hwy 17
Mount Pleasant, SC 29464
Charleston County

GPS Coordinates: 32.80239835, -79.9100869

Nearby Water Temperatures

Cooper River, Charleston, SC (1.7 mi)
Cooper River, Charleston, SC (1.7 mi)
Cooper River, Charleston, SC (1.7 mi)
Wando River, Mount Pleasant, SC (4 mi)
Cooper River, North Charleston, SC (4.4 mi)
Cooper River, North Charleston, SC (6.8 mi)
Ashley River, North Charleston, SC (7 mi)
Wando River, Charleston, SC (9.6 mi)
Cooper River, Goose Creek, SC (12.5 mi)
Cooper River, Moncks Corner, SC (14.7 mi)
Ashley River, Summerville, SC (16.4 mi)
Atlantic Ocean, Isle of Palms, SC (16.9 mi)
Cooper River, Goose Creek, SC (17.7 mi)
Chicken Creek, Goose Creek, SC (17.8 mi)
West Branch Cooper River, Moncks Corner, SC (20.2 mi)

Weather for Mount Pleasant, South Carolina

Current Weather

80°F
Mostly Cloudy
Mostly Cloudy
85%
E 3 mph
75°F

Weather Forecast

Mostly Cloudy then Chance Showers And Thunderstorms
Tonight
74°F - Mostly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
86°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday Night
72°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday
85°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
68°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Thursday
81°F - Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Partly Cloudy
Thursday Night
63°F - Slight Chance Showers And Thunderstorms then Partly Cloudy
Sunny
Friday
79°F - Sunny
Mostly Clear
Friday Night
62°F - Mostly Clear
Sunny
Saturday
80°F - Sunny
Mostly Clear
Saturday Night
63°F - Mostly Clear
Sunny
Sunday
82°F - Sunny
Partly Cloudy
Sunday Night
65°F - Partly Cloudy
Sunny
Monday
83°F - Sunny

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:12 PM
Sunset: 7:17 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:37 PM
Moon Transit: 9:44 PM
Moonset: 1:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
9:14 PM - 11:44 PM

Minor Periods

4:07 PM - 5:37 PM
1:28 AM - 2:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:12 PM
Sunset: 7:17 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:37 PM
Moon Transit: 9:44 PM
Moonset: 1:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
9:14 PM - 11:44 PM

Minor Periods

4:07 PM - 5:37 PM
1:28 AM - 2:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:12 PM
Sunset: 7:16 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:10 PM
Moon Transit: 10:30 PM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:01 AM - 1:31 PM
12:00 AM - 12:00 AM

Minor Periods

4:40 PM - 6:10 PM
2:28 AM - 3:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:12 PM
Sunset: 7:16 PM
Daylight: 12 hrs 8 mins
Moonrise: 5:10 PM
Moon Transit: 10:30 PM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:01 AM - 1:31 PM
12:00 AM - 12:00 AM

Minor Periods

4:40 PM - 6:10 PM
2:28 AM - 3:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:11 PM
Sunset: 7:15 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:40 PM
Moon Transit: 11:15 PM
Moonset: 3:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:46 AM - 2:16 PM
12:00 AM - 12:00 AM

Minor Periods

5:10 PM - 6:40 PM
3:28 AM - 4:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:11 PM
Sunset: 7:15 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:40 PM
Moon Transit: 11:15 PM
Moonset: 3:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:46 AM - 2:16 PM
12:00 AM - 12:00 AM

Minor Periods

5:10 PM - 6:40 PM
3:28 AM - 4:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:11 PM
Sunset: 7:13 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:08 PM
Moon Transit: 12:00 PM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
4:29 AM - 5:59 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:11 PM
Sunset: 7:13 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:08 PM
Moon Transit: 12:00 PM
Moonset: 4:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
4:29 AM - 5:59 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:11 PM
Sunset: 7:12 PM
Daylight: 12 hrs 2 mins
Moonrise: 6:36 PM
Moon Transit: 12:00 AM
Moonset: 6:00 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:15 PM - 3:45 PM

Minor Periods

6:06 PM - 7:36 PM
5:30 AM - 7:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:11 PM
Sunset: 7:12 PM
Daylight: 12 hrs 2 mins
Moonrise: 6:36 PM
Moon Transit: 12:00 AM
Moonset: 6:00 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:15 PM - 3:45 PM

Minor Periods

6:06 PM - 7:36 PM
5:30 AM - 7:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:10 PM
Sunset: 7:11 PM
Daylight: 12 hrs mins
Moonrise: 7:03 PM
Moon Transit: 8:33 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:33 PM - 8:03 PM
6:31 AM - 8:01 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:10 PM
Sunset: 7:11 PM
Daylight: 12 hrs mins
Moonrise: 7:03 PM
Moon Transit: 8:33 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:33 PM - 8:03 PM
6:31 AM - 8:01 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:10 PM
Sunset: 7:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 7:33 PM
Moon Transit: 1:29 AM
Moonset: 8:06 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
2:46 PM - 5:16 PM

Minor Periods

7:03 PM - 8:33 PM
7:36 AM - 9:06 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:10 PM
Sunset: 7:09 PM
Daylight: 11 hrs 58 mins
Moonrise: 7:33 PM
Moon Transit: 1:29 AM
Moonset: 8:06 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
2:46 PM - 5:16 PM

Minor Periods

7:03 PM - 8:33 PM
7:36 AM - 9:06 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 1:10 PM
Sunset: 7:08 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:08 PM
Moon Transit: 2:18 AM
Moonset: 9:12 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:48 AM - 4:18 AM
3:37 PM - 6:07 PM

Minor Periods

7:38 PM - 9:08 PM
8:42 AM - 10:12 AM

Action Rating: 4 out of 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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