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Photo: Cooper River Bridge Weekend 093 by Jerry Hughes / Tgbotg at en.wikipedia (CC BY 3.0) License

Cooper River

River · Mt Pleasant, South Carolina

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range.

  • Water temp 71°F (22°C)
  • Gage height 20.24 ft

Live, provisional data from USGS gauge COOPER RIVER AT S. ADGERS WHARF AT CHARLESTON, SC (1.2 mi away), as of Oct 20, 6:00 AM gauge-local time.

Why, sources & official advisories
  • Water temperature is 71°F, within the comfortable 70–86°F range. — USGS gauge 021720712, as of Oct 20, 6:00 AM gauge-local time

No official beach-advisory feed for South Carolina yet — follow posted signs and local guidance.

Get an email when it’s warm enough

It’s 71°F at Cooper River now. We check the water daily and email you once when it reaches your temperature.

Cool today

Weather at Cooper River

52°F, Clear · H 75° / L 51° · 1% chance of rain
H: 75° L: 51°
Clear
Clear
52°
|
Feels like 48°
Precipitation
1%
Humidity
57%
Wind
7 mph
UV Index
0
12 AM
Clear
56°
3 AM
Clear
54°
6 AM
Clear
52°
9 AM
Sunny
56°
12 PM
Sunny
69°
3 PM
Sunny
75°
6 PM
Sunny
70°
9 PM
Clear
62°

Frequently asked questions

Where is Cooper River?
Cooper River is a river in Mt Pleasant, South Carolina.
What is the water temperature at Cooper River?
As of October 20, 2026, the water temperature at Cooper River in Mt Pleasant, South Carolina is 71°F (22°C), measured by USGS gauge 021720712, 1.2 miles away.
Can you swim at Cooper River?
Comfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range. Checked October 20, 2026.
How is Cooper River rated?
Cooper River in Mt Pleasant, South Carolina has an average visitor rating of 4.4 out of 5, based on 17 reviews.

Location & Contact

Mt Pleasant, SC 29412

Mt Pleasant, South Carolina 29412

🌊 Best times & visiting tips
  • ›Check water levels and current conditions before visiting
  • ›Wear life jackets when on the water
  • ›Be aware of rapids and potential hazards
  • ›Respect private property along riverbanks
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