Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

59.0°F

Measurement Time: Saturday, March 7, 2026, 5:15 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

75.7°F
Patchy rain nearby
Patchy rain nearby
80.5°F
73.2°F
78%
S 8.3 mph
14 mph
69.6°F
68.5°F
0 in
25%
9 mi
1025 mbar
5

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 75°F
L: 59°F
Moderate rain
Sun
H: 64°F
L: 61°F
Moderate rain
Mon
H: 71°F
L: 61°F
Partly Cloudy
Tue
H: 73°F
L: 55°F
Sunny
Wed
H: 72°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 10.95 μg/m3
Carbon Monoxide: 118.85 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 59 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

Special Weather Statement issued March 7 at 3:56AM EST by NWS Charleston SC

Effective: Sat March 7, 2026, 3:56 AM
Expires: Sat March 7, 2026, 8:00 AM

Areas of fog will continue to develop across much of the South Carolina Lowcountry and Southeast Georgia through sunrise. The fog could become locally dense at times with visibility dropping to 1/4 mile or less. The nature of the fog is such that visibilities will vary greatly over short distances with the risk for locally dense fog being the greatest near bodies of water and other low- lying areas such as marshes, swamps and large ditches. Motorists should remain alert for these conditions this morning. It is possible more widespread dense fog could develop prior to daybreak and a Dense Fog Advisory may be issued.

If driving, slow down and leave extra distance ahead of you in case a sudden stop is needed.


Dense Fog Advisory issued March 7 at 5:47AM EST until March 7 at 9:00AM EST by NWS Charleston SC

Effective: Sat March 7, 2026, 5:47 AM
Expires: Sat March 7, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Charleston, Coastal Colleton, and Tidal Berkeley Counties. * 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.


Dense Fog Advisory issued March 7 at 5:47AM EST until March 7 at 9:00AM EST by NWS Charleston SC

Effective: Sat March 7, 2026, 5:47 AM
Expires: Sat March 7, 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.
Saturday, March 7, 2026

Weather Forecast

Patchy rain nearby
75.2°F
59°F
66.3°F
95%
0.02 in
89%
0%
10.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.67 μg/m3
PM10: 12.77 μg/m3
Carbon Monoxide: 123.97 μg/m3
Nitrogen Dioxide: 8.31 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 45.36 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

Moderate rain
64.2°F
61.2°F
62.7°F
95%
0.41 in
73%
0%
13.6 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 7.94 μg/m3
PM10: 9.72 μg/m3
Carbon Monoxide: 120.93 μg/m3
Nitrogen Dioxide: 7.36 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 52.44 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

Monday, March 9, 2026

Weather Forecast

Moderate rain
70.9°F
60.8°F
64.7°F
90%
0.57 in
87%
0%
12.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.13 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 143.33 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:30 AM
Sunset: 6:23 PM
Daylight: 11 hrs 46 mins
Moonrise: 12:42 AM
Moon Transit: 4:45 AM
Moonset: 9:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
6:03 PM - 8:33 PM

Minor Periods

9:14 AM - 10:44 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, March 10, 2026

Weather Forecast

Partly Cloudy
72.5°F
55°F
63.8°F
84%
0 in
0%
0%
10.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10.46 μg/m3
PM10: 11.67 μg/m3
Carbon Monoxide: 146.36 μg/m3
Nitrogen Dioxide: 8.13 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 75.48 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:29 AM
Sunset: 6:24 PM
Daylight: 11 hrs 48 mins
Moonrise: 12:41 AM
Moon Transit: 5:34 AM
Moonset: 10:26 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
6:53 PM - 9:23 PM

Minor Periods

9:56 AM - 11:26 AM
12:11 AM - 1:41 AM

Action Rating: 3 out of 5

Wednesday, March 11, 2026

Weather Forecast

Sunny
72.1°F
62.8°F
66.9°F
83%
0 in
0%
0%
13.2 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 9.7 μg/m3
Carbon Monoxide: 126.1 μg/m3
Nitrogen Dioxide: 6.54 μg/m3
Sulphur Dioxide: 2.44 μg/m3
Ozone: 67.58 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:29 AM
Sunset: 6:25 PM
Daylight: 11 hrs 50 mins
Moonrise: 1:37 AM
Moon Transit: 6:25 AM
Moonset: 11:13 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

5:55 AM - 8:25 AM
7:45 PM - 10:15 PM

Minor Periods

10:43 AM - 12:13 AM
1:07 AM - 2:37 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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