Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

86.0°F

Measurement Time: Tuesday, August 5, 2025, 11:15 AM 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

86.2°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 75%
Feels Like: 93.9°F
Wind: E 8.5 mph
Wind Gusts: 11.8 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 6.1

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 90°F
L: 78°F
Moderate rain
Wed
H: 91°F
L: 76°F
Moderate rain
Thu
H: 86°F
L: 75°F
Moderate rain
Fri
H: 89°F
L: 77°F
Moderate rain
Sat
H: 82°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 8.14 μg/m3
PM10: 10.55 μg/m3
Carbon Monoxide: 292.3 μg/m3
Nitrogen Dioxide: 11.66 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:25 PM
Sunset: 8:15 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:55 PM
Moon Transit: 10:42 PM
Moonset: 2:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

11:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Minor Periods

5:25 PM - 6:55 PM
2:06 AM - 3:36 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued August 5 at 12:25PM EDT until August 5 at 8:00PM EDT by NWS Wilmington NC

Effective: Tue August 5, 2025, 12:25 PM
Expires: Tue August 5, 2025, 8:00 PM

* WHAT...Strong north to south longshore current. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.


Beach Hazards Statement issued August 5 at 12:25PM EDT until August 5 at 8:00PM EDT by NWS Wilmington NC

Effective: Tue August 5, 2025, 12:25 PM
Expires: Tue August 5, 2025, 8:00 PM

* WHAT...Strong north to south longshore current. * WHERE...Coastal Horry and Coastal Georgetown Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore.

Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.
Tuesday, August 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.4°F
Average Humidity: 79%
Chance of Rain: 82%
Wind: 9.4 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 9.35 μg/m3
PM10: 12.29 μg/m3
Carbon Monoxide: 317.68 μg/m3
Nitrogen Dioxide: 8.79 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:25 PM
Sunset: 8:15 PM
Daylight: 13 hrs 38 mins
Moonrise: 5:55 PM
Moon Transit: 10:42 PM
Moonset: 2:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

11:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Minor Periods

5:25 PM - 6:55 PM
2:06 AM - 3:36 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 83.3°F
Average Humidity: 77%
Chance of Rain: 87%
Wind: 10.1 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 12.55 μg/m3
PM10: 14.81 μg/m3
Carbon Monoxide: 288.82 μg/m3
Nitrogen Dioxide: 16.78 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 65.28 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 36 mins
Moonrise: 6:45 PM
Moon Transit: 11:37 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 PM
12:00 AM - 12:00 AM

Minor Periods

6:15 PM - 7:45 PM
3:02 AM - 4:32 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.8°F
Average Humidity: 80%
Chance of Rain: 89%
Wind: 11 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 8.75 μg/m3
Carbon Monoxide: 289.93 μg/m3
Nitrogen Dioxide: 9.07 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 71.24 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:25 PM
Sunset: 8:13 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:29 PM
Moon Transit: 12:00 AM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:58 AM - 3:28 PM

Minor Periods

6:59 PM - 8:29 PM
4:04 AM - 5:34 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.7°F
Average Humidity: 81%
Chance of Rain: 83%
Wind: 9.6 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 7.31 μg/m3
PM10: 8.78 μg/m3
Carbon Monoxide: 308.65 μg/m3
Nitrogen Dioxide: 8.76 μg/m3
Sulphur Dioxide: 3.51 μg/m3
Ozone: 66.68 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:25 PM
Sunset: 8:12 PM
Daylight: 13 hrs 33 mins
Moonrise: 8:07 PM
Moon Transit: 12:31 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
1:51 PM - 4:21 PM

Minor Periods

7:37 PM - 9:07 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 76.8°F
Average Humidity: 89%
Chance of Rain: 89%
Wind: 10.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 6.18 μg/m3
Carbon Monoxide: 252.31 μg/m3
Nitrogen Dioxide: 11.88 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 50.85 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:25 PM
Sunset: 8:11 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:42 PM
Moon Transit: 1:23 AM
Moonset: 6:46 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
2:41 PM - 5:11 PM

Minor Periods

8:12 PM - 9:42 PM
6:16 AM - 7:46 AM

Action Rating: 5 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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