Water Temperature of the Cooper River in Charleston, SC

Current Water Temperature

77.5°F

Measurement Time: Tuesday, October 6, 2026, 11:18 PM EDT

Temperature Locations

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Local Points of Interest

Cruise Ship Terminal; Charleston Harbor; Hog Island Channel; Shutes Folly Island; Folly Island Channel; South Channel; Wando River; Waterfront Park

Cooper River

Station Name: 8665530 - Charleston, Cooper River Entrance, SC
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 10 feet

Nearest Address:
196 Concord St
Charleston, SC 29401
Charleston County

GPS Coordinates: 32.781, -79.924

Nearby Water Temperatures

Cooper River, Charleston, SC (0 mi)
Cooper River, Charleston, SC (0.1 mi)
Cooper River, Mount Pleasant, SC (1.7 mi)
Cooper River, North Charleston, SC (5.4 mi)
Wando River, Mount Pleasant, SC (5.6 mi)
Ashley River, North Charleston, SC (6.9 mi)
Cooper River, North Charleston, SC (7.9 mi)
Wando River, Charleston, SC (11.3 mi)
Cooper River, Goose Creek, SC (14 mi)
Cooper River, Moncks Corner, SC (16.3 mi)
Ashley River, Summerville, SC (16.6 mi)
Atlantic Ocean, Isle of Palms, SC (17.8 mi)
Cooper River, Goose Creek, SC (19.1 mi)
Chicken Creek, Goose Creek, SC (19.2 mi)
West Branch Cooper River, Moncks Corner, SC (21.6 mi)

Weather for Charleston, South Carolina

Current Weather

72.1°F
Overcast
Conditions: Overcast
Humidity: 75%
Feels Like: 71.4°F
Wind: NE 9.6 mph
Wind Gusts: 20.8 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 80°F
L: 67°F
Overcast
Thu
H: 79°F
L: 69°F
Overcast
Fri
H: 77°F
L: 72°F
Light rain
Sat
H: 75°F
L: 69°F
Light rain shower
Sun
H: 83°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 123 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:07 PM
Sunset: 6:56 PM
Daylight: 11 hrs 39 mins
Moonrise: 4:09 AM
Moon Transit: 10:47 AM
Moonset: 5:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:17 AM - 12:47 AM

Minor Periods

4:46 PM - 6:16 PM
3:39 AM - 5:09 AM

Action Rating: 2 out of 5

Small Craft Advisory issued October 6 at 2:21PM EDT until October 7 at 3:00AM EDT by NWS Charleston SC

Effective: Tue October 6, 2026, 2:21 PM
Expires: Wed October 7, 2026, 3:00 AM

* WHAT...Northeast winds 20 kt with gusts up to 30 kt and waves 2 feet expected. * WHERE...Charleston Harbor. * WHEN...Until 3 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued October 6 at 7:51PM EDT until October 7 at 3:00AM EDT by NWS Charleston SC

Effective: Tue October 6, 2026, 7:51 PM
Expires: Wed October 7, 2026, 3:00 AM

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Charleston Harbor. * WHEN...Until 3 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, October 7, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 72.5°F
Average Humidity: 74%
Chance of Rain: 21%
Wind: 11.4 mph
UV Index: 5.2

Air Quality

AQI: 1 - Good
PM2.5: 8.65 μg/m3
PM10: 12.01 μg/m3
Carbon Monoxide: 131.38 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 85.75 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:07 PM
Sunset: 6:56 PM
Daylight: 11 hrs 39 mins
Moonrise: 4:09 AM
Moon Transit: 10:47 AM
Moonset: 5:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:17 AM - 12:47 AM

Minor Periods

4:46 PM - 6:16 PM
3:39 AM - 5:09 AM

Action Rating: 2 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 73.4°F
Average Humidity: 79%
Chance of Rain: 29%
Wind: 7.4 mph
UV Index: 5

Air Quality

AQI: 1 - Good
PM2.5: 11.54 μg/m3
PM10: 14.74 μg/m3
Carbon Monoxide: 134.38 μg/m3
Nitrogen Dioxide: 7.02 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 78.33 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:07 PM
Sunset: 6:55 PM
Daylight: 11 hrs 37 mins
Moonrise: 5:13 AM
Moon Transit: 11:33 AM
Moonset: 5:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
11:03 AM - 1:33 PM

Minor Periods

5:15 PM - 6:45 PM
4:43 AM - 6:13 AM

Action Rating: 3 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 74.2°F
Average Humidity: 83%
Chance of Rain: 79%
Wind: 8.3 mph
UV Index: 3.7

Air Quality

AQI: 1 - Good
PM2.5: 12.72 μg/m3
PM10: 15.58 μg/m3
Carbon Monoxide: 123.46 μg/m3
Nitrogen Dioxide: 7.45 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 84.17 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:06 PM
Sunset: 6:54 PM
Daylight: 11 hrs 35 mins
Moonrise: 6:16 AM
Moon Transit: 12:18 AM
Moonset: 6:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
11:48 AM - 2:18 PM

Minor Periods

5:43 PM - 7:13 PM
5:46 AM - 7:16 AM

Action Rating: 4 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Light rain
Average Temperature: 71.6°F
Average Humidity: 90%
Chance of Rain: 92%
Wind: 21.3 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 11.33 μg/m3
PM10: 16.54 μg/m3
Carbon Monoxide: 113.11 μg/m3
Nitrogen Dioxide: 2.26 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 98.58 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:06 PM
Sunset: 6:53 PM
Daylight: 11 hrs 33 mins
Moonrise: 7:17 AM
Moon Transit: 1:02 PM
Moonset: 6:41 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
12:32 AM - 3:02 PM

Minor Periods

6:11 PM - 7:41 PM
6:47 AM - 8:17 AM

Action Rating: 3 out of 5

Sunday, October 11, 2026

Weather Forecast

Conditions: Light rain shower
Average Temperature: 77.7°F
Average Humidity: 87%
Chance of Rain: 90%
Wind: 14.5 mph
UV Index: 6

Air Quality

AQI: 1 - Good
PM2.5: 4.04 μg/m3
PM10: 6.22 μg/m3
Carbon Monoxide: 125 μg/m3
Nitrogen Dioxide: 1.56 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 76.56 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:06 PM
Sunset: 6:52 PM
Daylight: 11 hrs 31 mins
Moonrise: 8:19 AM
Moon Transit: 1:48 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
1:18 PM - 3:48 PM

Minor Periods

6:41 PM - 8:11 PM
7:49 AM - 9:19 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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