Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

71.1°F

Measurement Time: Monday, April 27, 2026, 6:15 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

55.8°F
Clear
Clear
53.3°F
59.2°F
100%
E 9.6 mph
15.7 mph
59°F
53.4°F
0 in
0%
9 mi
1023 mbar
0

Five Day Weather Forecast

Overcast
Mon
H: 67°F
L: 54°F
Partly Cloudy
Tue
H: 73°F
L: 56°F
Patchy rain nearby
Wed
H: 73°F
L: 66°F
Patchy rain nearby
Thu
H: 71°F
L: 65°F
Moderate rain
Fri
H: 74°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 131.85 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:17 PM
Sunset: 7:59 PM
Daylight: 13 hrs 22 mins
Moonrise: 4:27 PM
Moon Transit: 10:40 PM
Moonset: 4:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

3:57 PM - 5:27 PM
3:50 AM - 5:20 AM

Action Rating: 2 out of 5

Coastal Flood Advisory issued April 27 at 2:13PM EDT until April 27 at 8:00PM EDT by NWS Charleston SC

Effective: Mon April 27, 2026, 2:13 PM
Expires: Mon April 27, 2026, 8:00 PM

* WHAT...Up to one half foot of inundation above ground level expected along shorelines and tidal waterways (6.9 to 7.1 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...This could result in some roads becoming impassable. * ADDITIONAL DETAILS...High tide will occur around 6:11 PM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.
Monday, April 27, 2026

Weather Forecast

Overcast
67.1°F
54.1°F
59.8°F
79%
0 in
0%
0%
15.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 6.34 μg/m3
PM10: 6.61 μg/m3
Carbon Monoxide: 167.85 μg/m3
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 2.88 μg/m3
Ozone: 95.68 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:17 PM
Sunset: 7:59 PM
Daylight: 13 hrs 22 mins
Moonrise: 4:27 PM
Moon Transit: 10:40 PM
Moonset: 4:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

3:57 PM - 5:27 PM
3:50 AM - 5:20 AM

Action Rating: 2 out of 5

Tuesday, April 28, 2026

Weather Forecast

Partly Cloudy
73°F
56.1°F
65.3°F
72%
0 in
0%
0%
9.2 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 7.06 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 143.01 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 99.84 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:17 PM
Sunset: 7:59 PM
Daylight: 13 hrs 24 mins
Moonrise: 5:25 PM
Moon Transit: 11:22 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

11:54 AM - 2:24 PM
12:00 AM - 12:00 AM

Minor Periods

4:55 PM - 6:25 PM
4:16 AM - 5:46 AM

Action Rating: 2 out of 5

Wednesday, April 29, 2026

Weather Forecast

Patchy rain nearby
73.4°F
65.6°F
69.1°F
83%
0.11 in
89%
0%
18.3 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 7.68 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 157.21 μg/m3
Nitrogen Dioxide: 5.66 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 90.6 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:17 PM
Sunset: 8:00 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:23 PM
Moon Transit: 12:00 AM
Moonset: 5:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:36 AM - 3:06 PM

Minor Periods

5:53 PM - 7:23 PM
4:41 AM - 6:11 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Patchy rain nearby
71.2°F
65.2°F
67.7°F
82%
0.1 in
87%
0%
9.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.12 μg/m3
PM10: 7.91 μg/m3
Carbon Monoxide: 185.04 μg/m3
Nitrogen Dioxide: 5.16 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 100.36 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:16 PM
Sunset: 8:01 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:21 PM
Moon Transit: 12:04 AM
Moonset: 5:38 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:18 PM - 3:48 PM

Minor Periods

6:51 PM - 8:21 PM
5:08 AM - 6:38 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Moderate rain
73.7°F
61.2°F
67.1°F
77%
0.21 in
86%
0%
17.2 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 8.82 μg/m3
PM10: 9.47 μg/m3
Carbon Monoxide: 223.35 μg/m3
Nitrogen Dioxide: 13.59 μg/m3
Sulphur Dioxide: 4.03 μg/m3
Ozone: 86.15 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:16 PM
Sunset: 8:02 PM
Daylight: 13 hrs 29 mins
Moonrise: 8:21 PM
Moon Transit: 12:47 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:17 AM - 2:47 AM
2:03 PM - 4:33 PM

Minor Periods

7:51 PM - 9:21 PM
5:38 AM - 7:08 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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