Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

83.5°F

Measurement Time: Monday, August 25, 2025, 7:15 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

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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 / 0 meters

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 (4.0 mi)
Cooper River, North Charleston, SC (4.4 mi)
Cooper River, North Charleston, SC (6.8 mi)
Ashley River, North Charleston, SC (7.0 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

79°F
Cloudy
Conditions: Cloudy
Humidity: 94%
Feels Like: 84.8°F
Wind: SW 8.9 mph
Wind Gusts: 16.2 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Mon
H: 90°F
L: 75°F
Overcast
Tue
H: 85°F
L: 76°F
Sunny
Wed
H: 85°F
L: 72°F
Patchy rain nearby
Thu
H: 86°F
L: 73°F
Patchy rain nearby
Fri
H: 86°F
L: 72°F

Air Quality

AQI: 2 - Moderate
PM2.5: 27.38 μg/m3
PM10: 28.31 μg/m3
Carbon Monoxide: 360.75 μg/m3
Nitrogen Dioxide: 12.4 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:21 PM
Sunset: 7:53 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:02 AM
Moon Transit: 3:09 PM
Moonset: 9:09 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:42 AM - 6:12 AM
2:39 PM - 5:09 PM

Minor Periods

8:39 PM - 10:09 PM
8:32 AM - 10:02 AM

Action Rating: 3 out of 5

Flood Warning issued August 25 at 9:15AM EDT by NWS Charleston SC

Effective: Mon August 25, 2025, 9:15 AM
Expires: Tue August 26, 2025, 9:15 AM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Savannah River near Clyo. * WHEN...Until further notice. * IMPACTS...At 11.0 feet, the back yards of several homes on Tom Goethe Road flood. * ADDITIONAL DETAILS... - At 815 AM EDT Monday, the stage was 12.0 feet. - Forecast...The river is expected to remain steady around 12 feet through the rest of the week. - Flood stage is 11.0 feet.


Flood Warning issued August 25 at 9:15AM EDT by NWS Charleston SC

Effective: Mon August 25, 2025, 9:15 AM
Expires: Tue August 26, 2025, 9:15 AM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Savannah River near Clyo. * WHEN...Until further notice. * IMPACTS...At 11.0 feet, the back yards of several homes on Tom Goethe Road flood. * ADDITIONAL DETAILS... - At 815 AM EDT Monday, the stage was 12.0 feet. - Forecast...The river is expected to remain steady around 12 feet through the rest of the week. - Flood stage is 11.0 feet.


Monday, August 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 81.7°F
Average Humidity: 78%
Chance of Rain: 83%
Wind: 9.8 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 24.81 μg/m3
PM10: 25.92 μg/m3
Carbon Monoxide: 378.51 μg/m3
Nitrogen Dioxide: 18.58 μg/m3
Sulphur Dioxide: 5.89 μg/m3
Ozone: 103.52 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:21 PM
Sunset: 7:53 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:02 AM
Moon Transit: 3:09 PM
Moonset: 9:09 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:42 AM - 6:12 AM
2:39 PM - 5:09 PM

Minor Periods

8:39 PM - 10:09 PM
8:32 AM - 10:02 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 80.1°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 26.63 μg/m3
PM10: 27.17 μg/m3
Carbon Monoxide: 384.13 μg/m3
Nitrogen Dioxide: 12.91 μg/m3
Sulphur Dioxide: 7.39 μg/m3
Ozone: 124.24 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:21 PM
Sunset: 7:51 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:59 AM
Moon Transit: 3:50 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:23 AM - 6:53 AM
3:20 PM - 5:50 PM

Minor Periods

9:04 PM - 10:34 PM
9:29 AM - 10:59 AM

Action Rating: 3 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 79°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 26.75 μg/m3
PM10: 27.39 μg/m3
Carbon Monoxide: 392.57 μg/m3
Nitrogen Dioxide: 17.26 μg/m3
Sulphur Dioxide: 8.87 μg/m3
Ozone: 106.48 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:21 PM
Sunset: 7:50 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:56 AM
Moon Transit: 4:31 PM
Moonset: 10:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
4:01 PM - 6:31 PM

Minor Periods

9:31 PM - 11:01 PM
10:26 AM - 11:56 AM

Action Rating: 2 out of 5

Thursday, August 28, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 79.3°F
Average Humidity: 57%
Chance of Rain: 78%
Wind: 9.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 21.33 μg/m3
PM10: 24.14 μg/m3
Carbon Monoxide: 360.01 μg/m3
Nitrogen Dioxide: 12.08 μg/m3
Sulphur Dioxide: 5.14 μg/m3
Ozone: 115.4 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:20 PM
Sunset: 7:49 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:53 AM
Moon Transit: 5:14 PM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
4:44 PM - 7:14 PM

Minor Periods

10:00 PM - 11:30 PM
11:23 AM - 12:53 AM

Action Rating: 2 out of 5

Friday, August 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 77.7°F
Average Humidity: 65%
Chance of Rain: 84%
Wind: 8.3 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 18.74 μg/m3
PM10: 22.7 μg/m3
Carbon Monoxide: 368.29 μg/m3
Nitrogen Dioxide: 18.8 μg/m3
Sulphur Dioxide: 4.92 μg/m3
Ozone: 89.46 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:20 PM
Sunset: 7:48 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:51 AM
Moon Transit: 6:00 PM
Moonset: 11:03 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
5:30 PM - 8:00 PM

Minor Periods

12:00 AM - 12:00 AM
12:21 AM - 1:51 PM

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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