Weekly swim report · October 20, 2026
South Carolina swim report
On October 20, 2026 the warmest USGS water reading in South Carolina was 76°F at ASHLEY RIVER NEAR NORTH CHARLESTON, SC; 1 water-related NWS hazard is active.
Warmest water
The 5 warmest of 68 sensors reporting a water temperature in South Carolina today. Station names open the official monitoring page.
- #1ASHLEY RIVER NEAR NORTH CHARLESTON, SCUSGS gauge76°F 24°C19 hrs ago
- #275°F 24°C19 hrs ago
- #3COOPER R AT MOBAY NR N CHARLESTON, SCUSGS gauge75°F 24°C20 hrs ago
- #4REDIV. INTAKE CANAL NR ST. STEPHEN, SCUSGS gauge74°F 23°C19 hrs ago
- #574°F 23°C19 hrs ago
Active hazards in South Carolina
Alerts cover counties or forecast zones — an alert for an area does not mean every river or beach inside it is affected. Times are local to the issuing office.
- CautionBeach Hazards Statement
A Beach Hazards Statement is in effect for Coastal Georgetown.
NWS Wilmington NC · until Oct 20, 8:00 PM
Where to swim in South Carolina
The most-reviewed, well-rated water destinations in South Carolina — check each one’s live conditions before you go.
4.7(3,007)Columbia Canal and Riverfront Park
Old pump houses shed light on the canal works amid natural hiking & biking trails & picnic tables.
4.7(2,943)West Columbia Riverwalk Park and Amphitheater
This park on the Congaree River features an amphitheater & connects with the Three Rivers Greenway.
4.7(1,732)Sullivan's Island Beach
Spacious, sandy beach with a quiet vibe, a wooden boardwalk & a square-shaped lighthouse.
4.7(1,248)Glendale Shoals Preserve & Waterfalls
13-acre natural area on the site of a former mill, with trails, a dam, waterfall & a 1928 bridge.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.