Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

55.6°F

Measurement Time: Wednesday, March 4, 2026, 4:15 AM EST

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

59.7°F
Fog
Fog
59.7°F
56.4°F
100%
N 5.4 mph
8.9 mph
56.4°F
55.7°F
0 in
0%
8 mi
1028 mbar
1.7

Five Day Weather Forecast

Fog
Wed
H: 70°F
L: 53°F
Fog
Thu
H: 63°F
L: 55°F
Fog
Fri
H: 68°F
L: 60°F
Fog
Sat
H: 69°F
L: 60°F
Patchy rain nearby
Sun
H: 70°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 9.35 μg/m3
PM10: 12.75 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:31 AM
Sunset: 6:20 PM
Daylight: 11 hrs 36 mins
Moonrise: 7:45 PM
Moon Transit: 1:03 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
2:18 PM - 4:48 PM

Minor Periods

7:15 PM - 8:45 PM
6:44 AM - 8:14 AM

Action Rating: 4 out of 5

Dense Fog Advisory issued March 4 at 4:21AM EST until March 4 at 9:00AM EST by NWS Charleston SC

Effective: Wed March 4, 2026, 4:21 AM
Expires: Wed March 4, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...Until 9 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Wednesday, March 4, 2026

Weather Forecast

Fog
70.3°F
52.7°F
58.3°F
96%
0 in
0%
0%
6.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 11.75 μg/m3
PM10: 15.18 μg/m3
Carbon Monoxide: 187.45 μg/m3
Nitrogen Dioxide: 10.7 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 70.44 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:31 AM
Sunset: 6:20 PM
Daylight: 11 hrs 36 mins
Moonrise: 7:45 PM
Moon Transit: 1:03 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
2:18 PM - 4:48 PM

Minor Periods

7:15 PM - 8:45 PM
6:44 AM - 8:14 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Fog
63.1°F
54.9°F
59.9°F
95%
0 in
0%
0%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.79 μg/m3
PM10: 14.03 μg/m3
Carbon Monoxide: 180.33 μg/m3
Nitrogen Dioxide: 9.52 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 56.12 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:31 AM
Sunset: 6:20 PM
Daylight: 11 hrs 38 mins
Moonrise: 8:45 PM
Moon Transit: 1:46 AM
Moonset: 7:40 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:16 AM - 3:46 AM
3:01 PM - 5:31 PM

Minor Periods

8:15 PM - 9:45 PM
7:10 AM - 8:40 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Fog
67.6°F
60.1°F
62.6°F
92%
0 in
0%
0%
8.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 150.73 μg/m3
Nitrogen Dioxide: 9.03 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 50.84 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:30 AM
Sunset: 6:21 PM
Daylight: 11 hrs 40 mins
Moonrise: 9:44 PM
Moon Transit: 2:29 AM
Moonset: 8:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
3:44 PM - 6:14 PM

Minor Periods

9:14 PM - 10:44 PM
7:37 AM - 9:07 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Fog
68.8°F
59.9°F
62.4°F
92%
0 in
0%
0%
8.9 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.13 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 140.56 μg/m3
Nitrogen Dioxide: 8.88 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 45.6 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:30 AM
Sunset: 6:22 PM
Daylight: 11 hrs 42 mins
Moonrise: 10:43 PM
Moon Transit: 3:13 AM
Moonset: 8:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:43 AM - 5:13 AM
4:28 PM - 6:58 PM

Minor Periods

10:13 PM - 11:43 PM
8:06 AM - 9:36 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Patchy rain nearby
69.7°F
60.1°F
64.3°F
89%
0 in
0%
0%
10.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.99 μg/m3
PM10: 9.02 μg/m3
Carbon Monoxide: 123.78 μg/m3
Nitrogen Dioxide: 7.79 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 45.92 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:30 AM
Sunset: 6:23 PM
Daylight: 11 hrs 44 mins
Moonrise: 11:42 PM
Moon Transit: 3:58 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
5:14 PM - 7:44 PM

Minor Periods

12:00 AM - 12:00 AM
8:37 AM - 10:07 AM

Action Rating: 2 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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